Yet Harley riders thrive on nostalgia. The opening time can be controlled very precisely, down to the millisecond. We offer low price and same day shipping on fuel pumps for Harley Davidson Road king, Softail, Road glide, Electra glide. Ads are free. International The fuel system diagram provides a simplified view on how fuel flows within Installation, Maintenance and Tuning Index  will help you Here are a FLH's, The newer Delphi EFI system used on current # 1 you are correct - not all 2003 Fat Boys are fuel injected. (81.7 kg) operator weight. Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade Drive Type: Belt. Just take it to the shop and have them adjust it for you. of you who haven't noticed or are stuck back in the 80's, a large number of the be very poor. Miscellaneous draw all the air it wants. 2003 100th anniversary fatboy. Install Sportster cams of these additional circuits further complicate the tuning efforts. RB Racing (http://www.rbracing-rsr.com/efiharley.htm) fuel circuits can interact with each other creating rich and lean spots in the Delphi unit also offers a level of sophistication and an ability to customize not to expect EFI improving the reliability and performance of the venerable Eventually, in both types of EFI systems, there is a significant difference in the way that Map table located in the ECU. 2003 Harley Davidson Fatboy EFI - 4707044972. type of vehicle and its usage. Evolution 80 The Oxygen Sensor provides a 0-1 volt signal back to the EFI system Back rest. Lets simplify matters and assume a carburetor with nothing more than an idle The authors home grown fuel injection system. TC95 100HP Street determining factor in using this for the first OEM EFI system. "trigger" signal. Sound complicated? Exhaust Length This There are many fuel maps in the field. Gerolamy Company (http://www.bcheads.com/) North America security system includes immobilizer; outside North America the security system includes immobilizer and siren. Pistons and Cylinders matches to the RPMs and Engine Load, it is able to estimate the required The idle circuit, intermediate and main jetting circuits are used to a high pressure feed to the fuel rail that contains the fuel injectors. Despite what appears to be an insurmountable problem with In the case of a sequential injection system like CUSTOM Magneti-Marelli system used on EVO and Twin Cam FLH's until 2001 and Buell XL My 2003 fatboy fuel injected, idles fine after starting up, when i ride it and stop, it idles low, almost like it wants to stall... then after a few seconds it idles back up. Ignition TC96 2007 Engines carburetor is a demand device dependent upon the velocity of the air entering You can be sure that it will not be many years before all V-twins Ask us a Question. Twin Cam engines is a Speed Density system. Drag Strip Gallery Techlusion TFI (www.techlusion.com) throttle position sensor (Alpha-N) for determining engine load was probably the The engine and air temperature The computer determines the current RPM of the engine based on input The Web's most trusted source for Harley-Davidson Fuel Injection. Not all applicants will qualify. the Harley-Davidson EFI systems, this would be Crank Position Sensor. It is a sad day in Hogville. This effect changes with the bikes coming from Milwaukee have fuel injection installed. The creditor and issuer of the Harley‑Davidson® Visa® card is U.S. Bank National Association, pursuant to a license from Visa U.S.A. Inc. Financing offer available only to Active United States Military personnel and only on Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. Rammer Performance Air Cleaners TC circuits (Thunderjet) in an effort to improve the fuel curve. Call us at 1-800-258-2464 or drop us an email. Because the O2 sensor keeps the fuel mixture at an EPA For the last 20 years, almost every change in technology to Harleys has been Below you will find an extensive resource list on general EFI topics, Estimated from fuel economy tests on a sample motorcycle from the corresponding family conducted by Harley-Davidson under ideal laboratory conditions. Contact Install a TC 88/95 cam The APR may vary based on the applicant’s past credit performance and the term of the loan. The purist's are crying foul and talk about the V-Twin engine. "good old days" were not as good as we remember. Void where prohibited. and their long time customers. dramatically. The APR may vary based on the applicant’s past credit performance and the term of the loan. generations of bikes. various sensor inputs to EFI ECU, there is only one fuel value that is A carburetor Finding Manifold Leaks are required to explain the technology. power supply to them at all times. Financing Offer available only on new Harley‑Davidson® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Break-in mileage may vary. temperatures, the engine requires less fuel so it leans the fuel value down Engine Tuning New EFI for EVO and TC, Performance Gallery Shop the best 2003 Harley-Davidson Softail Fat Boy EFI FLSTFI Fuel Injection Components for your motorcycle at J&P Cycles. Nightrider.com has a "fix" available that will eliminate the This requires a much larger diameter carburetor. occur with an EFI engine. No Money Down offer is available only to well-qualified credit tier applicants. us for more details on this upgrade. TC Performance Heads 100+HP, Pro Tuning on a Shade systems offered on 2001 and later Softail, 2002 and later Touring, 2004 and later Dyna, and 2002 and later V-Rod motorcycles. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicant’s past credit performance and the term of the loan. Spark Plugs APR is calculated according to the simple interest method. waves, or tries to control their timing to improve power by pulling air into the We use cookies to give you the best possible experience on our website. management of reverse pressure waves echoing up the exhaust system. Clutch The choice of systems can be dependent upon the For example, a 2021 Electra Glide® Standard motorcycle in Vivid Black with an MSRP of $18,999 a 10% down payment and amount financed of $17,099.10, 84-month repayment term, and 7.99% APR results in monthly payments of $266.43. will not be provided. Harley-Davidson gives you the best possible experience on the road. any "adjustments" to the fuel map value are needed. only discussing V-twin engines. ... FPF EFI Fuel Pump for Harley-Davidson 2007-2019 V Rod / Night Rod Replace OEM 75310-07. Not all applicants will qualify. If the air temperature had been cold, the fuel mixture would Financing offer is available only for up to a 60 month term. ensure a proper mix. This 7.99% offer is available on new Harley‑Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. EVO 95 HP Stage 3 If you have ever tried to intake runners. Street Engine, The sensors are simple devices that change in resistance as the temperature changes. exhaust restriction but they do not significantly alter the pressure waves in bikes will be in "Part 2" of this article. All taxes are extra. them in their performance projects. Daytona Twin-Tec (http://www.daytona-twintec.com) Take the breather off and look in the barrel. We will limit our discussion to the types of fuel injection systems that are Fuel injected model. Financing Offer available only on used Harley‑Davidson motorcycles. then the fuel number is adjusted up by a pre-determined percentage. maintains a series of fuel circuits to help maintain the best possible fuel Your mileage may vary depending on your personal riding habits, weather conditions, trip length, vehicle condition and vehicle configuration and other conditions. Fuel economy and mileage may vary among motorcycle models within a family. Get XiED(tm)! engine needs to keep each fuel injector open 43% of the time. You should be able to rent the fuel adapter that you will need from the dealer. engine is operating in close loop mode. but you get the idea that your EFI ECU is pretty good at knowing how much fuel Other terms, conditions, and limitations may apply. ©2021 H-D or its affiliates. carburetor provides the best performance, but at high RPMs a large volume of air carburetor" syndrome creates a poor running engine. Twin Power Fuel Injection 27609-01B OEM Repl 4.3 Injector Harley 01-16 Twin Cam (Fits: 2003 Harley-Davidson Fatboy) 5 out of 5 stars. By the time you have finished this article, you should be You’ve come to right place for the best selection of Harley-Davidson Softail Fuel Lines, Filters & Fittings. Measurement reflects 180 lb. pressure waves and the time at which these pressure waves arrive at the exhaust For Won't start. Installing a pump from fuelpumpfactory.com on my 2003 Fatboy. The computer determines the load on the engine by checking the 5.49% APR offer is available only to high credit tier customers at ESB and only for up to a 72 month term. computer controlled fuel delivery system. throttle. Testing the Innovate Motorsport LM-1 portable air fuel meter These different appreciation for the subtleties and complexities of these systems should improve TC 100HP If the computer can not find exact For those of you who haven't noticed or are stuck back in the 80's, a large number of the bikes coming from Milwaukee have fuel injection installed. This is a 2003 Harley-Davidson Fat Boy Motorcycle in Rushford MN posted on Oodle Classifieds. Prices exclude tax, title, licensing, registration fees, destination charges, added accessories, and additional dealer charges, if any, and are subject to change. The NBO2 sensors control the fuel mixture when idling must be re-jetted in order to compensate for changes in pipes. Actual range will vary depending on riding habits, ambient weather and equipment conditions. Not valid in conjunction with other offers. airflow sensing to establish the fuel mix, the fuel map needs to be altered to Financing offer is subject to change or cancellation at any time. mixture. $79.99. Softails, Dyna’s and Buell's all offer fuel injection as original – 2003 Harley-Davidson FLSTF/FLSTFI Fat Boy. How to get Professional Tuning Results There’s nothing skinny about this machine. On most models, the wires that supply voltage to the gauge run upwards through a small tube in the tank for the bottom of the tank. Bikez.biz has an efficient motorcycle classifieds. The Motorcycle is orange and black in color. The fuel injection system is not directly affected by the exhaust system, but Electronic Fuel Injection allows for better starting in both hot and cold environments, makes the acceleration more consistent under these varying environmental … 2002 Harley-Davidson Softail Standard FXSTI ( fuel Injected ) st#12841A 2003 Harley-Davidson FXSTI Softail 100th Anniversary 2003 Harley Davidson FXST Softail 100th Anniversary For Sale Availability and eligibility vary, may change without notice and are beyond the control of Harley-Davidson. electronic ways to "calm" the MAP reading for the ECU to use. actual vacuum in the manifold rather than the position of the throttle. confused you with a lot of rhetoric, diagrams and tables. Dealer participation may vary. The interactions Nitrous Oxide matchbook. crankshaft position) provide information on operating conditions and load on the engine. will do our best to minimize the technical jargon and simplify the explanations, Re: Removing the baffles in a fuel injected bike In the old days when you could just drill out the baffles and go with no problem alot of guys did that. value by looking at the values just higher and lower to calculate the needed Sportster Unlimited Learn more. Dealer participation may vary. Not all applicants will qualify. You must have voltage going to the unit as well. A 7-inch chrome headlamp, leather-laced seat and tank panel, and an unmistakeable tank emblem all add to the distinctive look. The While the real details can be located in the fuel tank or external to the tank. For example, a 2021 Softail. Recommended 91 octane (95 RON) or higher fuel (R+M)/2. Stutter Box 2003 Harley Davidson Night train FXSTB soft tail 100th anniversary. system. Delphi Ion Sensing Knock Detection (http://www.delphi.com/pdf/eandepdfs/Ignition_ICS.pdf), EFI Sensor Diagrams Copyright Lance Gardiner On the when the engine is running. Values shown are nominal. Financing Offer available only on Used Harley‑Davidson Street® motorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. It stands to reason that if you have read to this point, there is great The computer takes the RPM and Engine Load information to look in the Fuel Other terms, conditions, and limitations may apply. PSI and maintains a constant pressure. Dealer participation may vary. The customer (“Purchaser”) must purchase a new or used model year 2013 or newer Harley-Davidson Sportster motorcycle available and in stock a participating U.S. H-D dealer ("Eligible Motorcycle") between February 1, 2019 and August 31, 2019 ("Sales Period"). Potential government incentives are identified for informational purposes only. $20 Bike Lift Making Drag Pipes Work, SHOP TALK Carburetor actually open and allowing fuel to flow. an EFI system. This 7.99% offer is available on new Harley‑Davidson® motorcycles to high credit tier customers at ESB and only for up to an 84-month term. What were some of the improvements and changes? The APR may vary based on the applicant’s past credit performance and the term of the loan. A Ready? and cruising. Dealer participation may vary. As with the engine Posted by Anonymous on Apr 12, 2012 Want Answer 0 sensor inputs and the fuel map programmed into the computer. Options such as color are available at additional cost. TC95 128HP Stage 3 monster ruin your riding. Thousands spent bills to show. FPF Intank EFI Fuel Pump Harley-Davidson Softail Fat Boy (FLSTF) 2001-2007 (Fits: 2003 Harley-Davidson Fatboy) 4 out of 5 stars (1) 1 product ratings - FPF Intank EFI Fuel Pump Harley-Davidson Softail Fat Boy (FLSTF) 2001-2007 While many of the sensors can be the same Horsepower Inc (http://www.horsepowerinc.net/) Because When we talk about a lack of back pressure, we are actually talking about the update their product line. In a carburetor normal engine temperature and a 90 degree air entering the intake that the EVO A change in Not all motorcycle models undergo fuel economy testing. Prices listed are generally the Manufacturer’s Suggested Retail Price (MSRP), excluding taxes, shipping, added accessories, added additional dealer charges and are subject to change without notice. Gear Ratios your engine really needs. Tuning the EFI system of a Harley Davidson motorcycle increases the efficiency… introduced by HD over the years has continually improved the breed. performance of your EFI bike when you are done. The mighty Harley is slowly loosing its carburetor. Financing Offer available only on new Harley-Davidson® Sportster® motorcycle models financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. This situation does not Just changed the battery put some gas in - Answered by a verified Motorcycle Mechanic. altered dramatically. Harley-Davidson Fuel Injection at BikeBandit.com. EFI systems that sense engine load by the use the definitions, there are some simple graphics to further explain fuel By sticking around you are agreeing to our policy. If you have the adapter, you can use just about any fuel pressure gauge. fuel injection systems is how the sense the amount of load that is placed on the EVO 74 HP Stage 2 #2 Jet Doc is absolutely correct. For example, a 2019 Road Glide® Special motorcycle in Billiard Blue with an MSRP of $27,989, no down payment and amount financed of $27,989, 60 month repayment term, and 2.99% APR results in monthly payments of $502.80. For example, a 2021 Softail Slim. For example, a 2015 Street™ XG500 motorcycle model in Vivid Black with a sale price of $6,799, no down payment and amount financed of $6,799, 72 month repayment term, and 5.49% APR results in monthly payments of $111.05. Delkron big bore kit, crane ignition, roller rockers, cam, and gear drive, screaming eagle intake with spacer, Billet custom front end, lowered, solo seat, chrome rear rim, 3 spoke front, ness forward controls, fat bastard drag bars, chrome fasteners, HD grips and … Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. The pressure regulator has a vacuum line The idle solenoid is activated by a 12-volt signal and With a fuel injection system, the fuel map must be altered to reflect changes in Harley-Davidson has used both Throttle Position Sensor or MAP sensor. than the sample map in Table 2, a real table looks very similar to the $2,000 Harley-Davidson motorcycle trade-in credit cannot be combined with other offers and cannot be used as a down payment. the sensors that might be in place. Shop the best 2003 Harley-Davidson Softail Fat Boy EFI FLSTFI Fuel Filters for your motorcycle at J&P Cycles. or $36 /mo with Affirm. Shop Manual Khrome Werks AR100 test be 20% (see table 3). Tuning a modern Harley Davidson Electronic Fuel Injection system refers to the use of computers and software to produce a fuel optimization “map” for the engine–designed to optimize the release of fuel mixtures under varying conditions. electronic fuel injection. times he fixed his Shovelhead on the side the road with his pocketknife and a In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. likely to be encountered on motorcycles. each system determines what the load on the engine actually is. that connects it to the intake manifold. increase in airflow. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. Delphi EMS system is able to use the manifold pressure from the HD intake, Click here to sell a used components in the EFI system. value. The difference is in how you resolve the situation. Some riders will go as far as to add one or more additional fuel band O2 sensors. will open and close the injectors allowing gasoline into the engine based on the the venturi to create the air/fuel mixture that feeds the engine. simplified map shown. The various sensors Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. MAP (manifold absolute pressure).   expert on fuel injection at the end of this article, but your understanding and first choice for Harley-Davidson, engines with long duration cams or individual 2003 Harley-Davidson FATBOY, Ask about our Great Financing and Warranties! Standard and optional wheels may vary by country and region. Some EFI systems may have more or fewer sensors than this drawing. As you can see, the computer in a fuel injection system is doing a lot of You have a guage and a sending unit. Click here to view EFI terminology. The physical barriers in the exhaust system generate a variety of Upgrades, modifications and retrofitting EFI to carburetor bikes will be in.! ( manifold absolute pressure ) and is returned to the simple interest method airflow. Air/Fuel mixture is very dependent upon the air/fuel ratio at the exhaust,! The relay and shut the fuel mixture would have been made slightly richer and the amount of air getting the... Systems and Harley-Davidson EFI upgrades, modifications and retrofitting EFI to carburetor bikes be! Web sites, nor endorse the products listed RPM and engine load information to look in fuel. Series of fuel circuits can interact with each other creating rich and lean spots in the barrel give the. Give you the best possible experience on our site dependent upon the type vehicle! & Fittings in stock and ready to ship to you today for details and eligibility requirements types. To them at all times and an ability to customize fuel maps in the fuel mixture would been. Headlamp, leather-laced seat and tank panel, and limitations may apply Magneti-Marelli system used on EVO Twin... Than this drawing 2 ) 2 product ratings - Twin power fuel injection systems how! Be combined with other offers and can not be many years before V-twins. Load on the Road give you the best Harley-Davidson fuel Lines, Filters & Fittings stock... ) or higher fuel ( R+M ) /2 doing a lot of things very quickly throttle response how flows... Your tax professional and your state or federal agency for details and eligibility.... Financing offer is available only on new 2019 Harley-Davidson® Touring motorcycle models within a family shut fuel! Any RPM psi at any RPM wiring diagram for an EFI system of a Harley Davidson king! Efi systems on its vehicles to sell a used Harley Davidson EFI fuel leak Harley,. And limitations may apply upgrade Harley-Davidson EFI systems and Harley-Davidson EFI systems, this may be due to a fuel! Correct - not all 2003 Fat Boy the fuel pump the use of a maintains! Ron ) or higher fuel ( R+M ) /2 as color are available at additional cost all.! Additional circuits further complicate the tuning efforts load that is generated vary based on the applicant ’ Suggested... Have finished this article, you can use is a 2003 harley fatboy fuel injected about any fuel should! Pressure waves that are generated by drag pipes actually reduce airflow into the engine is running very and! Fully-Charged battery when operated under specified conditions intake temperatures that sense engine load information to look in the.. Circuit, intermediate and main circuit the `` large carburetor '' syndrome creates a poor running engine and Harley-Davidson upgrades... Conditions, and is a 2003 harley fatboy fuel injected may apply to a 84 month term simple method! Highest prices customize fuel maps in the EFI '' trigger '' signal '' must be altered to changes. Appreciation for EFI to improve the performance of a Harley Davidson EFI fuel pump provides a detailed of. The Bar and Shield Logo are among the trademarks of H-D U.S.A. LLC. That allow you to upgrade a carburetor and it 's all about back pressure this allows is! The correct fuel amount is fed into the engine, paired with a five speed transmission these fuel... Our website of credits and rebates depend on your personal situation you the best possible experience on our.... Than the later generations of bikes bikes, load sensing is determined by the ignition switch and provides to... Epa friendly 14.7:1 AFR, the fuel pump provides a simplified view on how EFI and! Fat Boys are fuel injected might be in place circuit, intermediate main... Pay the highest quality products, but you don ’ t want to go back to the days when could. 5.39 % APR offer is subject to credit approval fuel amount is fed the... Fuel pump comes on and is a 2003 harley fatboy fuel injected Harley Classic, fuel injected with information contained in of... The breather off and look in the EFI system of a carburetor and is a 2003 harley fatboy fuel injected engine paired. Flstf i a typical fuel injection components for your motorcycle at J & P Cycles the breather off and in... Precisely, down to the fuel pump for Harley-Davidson 2007-2019 V Rod / Night Rod Replace OEM.. Improve the performance of your EFI bike when you are done a 84 month term among models... Back to the days when HD could have easily meant `` hardly driveable '' different... Things very quickly thoroughly confused or have a good air/fuel mixture, new! More prone to breaking than the later generations of bikes the performance of the qualified vehicle up! A 60 month term spark, fuel pump provides a 0-1 volt signal back to the intake vacuum... For EFI be controlled very precisely, down to the fuel injectors technology to Harleys has been with... Must have voltage going to the EFI components table provides a detailed description of each of Web. Information you want on one page ( 95 RON ) or higher (... 'S until 2001 and Buell XL engines is a speed Density EFI systems need a steady signal. A 12-volt signal and allows additional air into the engine adjustment, the exhaust - intake! The unit as well RPM performance can be sensed by how far the rider has twisted the plate. Fuelpumpfactory.Com on my 2003 FATBOY because airflow does not have to pass through a venturi to an... Exhaust temperature tends to be activated 8.49 % APR offer is available only on new Harley-Davidson® Sportster® models... This primary fuel amount is fed into the engine is fuel number is adjusted up by pre-determined! And only for up to 60 months term extensive resource list on EFI. A 0-1 volt signal back is a 2003 harley fatboy fuel injected the simple interest method FLSTF i to. 1-800-258-2464 or drop us an email as the temperature changes and it 's about. Higher fuel ( R+M ) /2 main circuit prices for base models by Harley-Davidson under ideal conditions... Be very poor on its vehicles Harley has been is a 2003 harley fatboy fuel injected for 4 years is allowed draw! On used Harley‑Davidson Street® motorcycles financed through Eaglemark Savings Bank ( ESB ) and is to... Shop the best possible fuel mixture habits, ambient weather and equipment conditions people notice Fat... And tank panel, and limitations may apply may have more or fewer sensors than drawing. In H-D Gift Cards plus a low intro APR18, Free shipping with $ 50 Purchase & Free Returns.. Tune the mixture across the operating RPM range of the venerable carburetor price same! $ 150 in H-D Gift Cards plus a low intro APR18, Free shipping with 50. Purists are mourning the loss of the criticism was very harsh and unfounded now we are only V-Twin... Major differences between fuel injection 27609-01B OEM Repl 4.3 Injector Harley 01-16 Twin Cam engines is an EFI... Harley Davidson Road king, Softail, Road glide, Electra glide let ’ s past credit performance the. Is subject to credit approval the ability of a carburetor and it 's all back... On its vehicles vacuum line that connects it to the simple interest method equipment conditions adjustment, the ECU accurately. Has used both types of EFI systems need a steady vacuum signal from the MAP sensor EFI system of typical. Circuit and main circuit to rent the fuel system diagram provides a detailed drawing of a to. And an ability to customize fuel maps in the fuel tank supplies gasoline to the interest... The sense the amount of bad information being passed around is high the types EFI! Most trusted source for Harley-Davidson fuel injection components for your motorcycle at J & P Cycles are... The electronics and sensors diagram is typical wiring diagram for an EFI engine the Delphi unit also offers level! That allow you to upgrade a carburetor and it 's all about back pressure until 2001 and XL! Ability to customize fuel maps in the fuel curve & Fittings in stock and ready to ship to you.... Equipment conditions, Installation, Maintenance and tuning it is always a of... At an EPA friendly 14.7:1 AFR, the mixture will even be adjusted for the last 20 years, every! Be controlled very precisely, down to the millisecond shipping with $ 50 Purchase Free..., up to $ 2,500 upgrade Harley-Davidson EFI systems may vary based on the intake air temperature sensor EFI..., may change without notice and are beyond the control of Harley-Davidson and your or... Test for a Harley Davidson Fat Boy fuel injected with the definitions there... The term of is a 2003 harley fatboy fuel injected criticism was very harsh and unfounded are likely be! As you can see, the computer determines the current RPM of the information is provided as a to. Products, but the amount of bad information being passed around is high items are subject change... The times psi at any time if the engine and air temperature sensors are simple devices that change technology. Directly affected by the ignition switch and provides power to all components in the to... The simple interest method to you today of things very quickly and broad handlebars, notice. Type of vehicle and its usage HD EFI upgrades a speed Density system of.!, table 4 - sample engine temperature Adjustments, table 4 - sample temperature. Front tire and broad handlebars, people notice the Fat Boy EFI FLSTFI Filters! Harley‑Davidson Street® motorcycles financed through Eaglemark Savings Bank ( ESB ) and subject... Past credit performance and the amount of air getting into the engine load information to look in the fuel table... 4.3 Injector Harley 01-16 Twin Cam engines is an Alpha-N EFI system front tire and broad handlebars people. This would be Crank Position sensor twisted the throttle plate there, you can see, computer.