Issue Severity: SEVERE – Stop driving immediately. Write a Review. Exhaust Leak. Aug 30, 2023 · STEP 9- Reconnect the Battery: Reconnect the negative terminal of the battery. Dec 26, 2008 · Mr. Launch CRP129E throttle body reset on GMLaunch CRP129E ht Nov 2, 2023 · ignition on, command the adaptation reset with a BMW specific scanner, depress the throttle fully 3 times, turn ignition off. Mar 25, 2011 · There are adaptives in the throttle controls and the transmission. The ECM will start to learn the new idle cells and Desired RPM should start to decrease. In stock - 6 available *TOP SELLER*. Aging catalytic converter. AIR BAG LIGHTIn this video we will demonstrate how you can reset the airbag ligh Any scanner should reset it as the throttle is controlled by the PCM and will store generic codes. The TPS sensor is on the throttle body itself. Mar 24, 2022 · P0303 definition: Cylinder 3 misfire detected. $2500 is obscene. Wait between 2 and 5 minutes before you start the car. With world-class engineering and high-end design, your 300 turns heads everywhere it goes. Reset Procedure. Jan 5, 2010 · turn the key to the on position slowly press the pedal to the floor and hold for 10 second or 20 to make sure then slowly depress the pedal all the way then crank up and your good to go. Here’s the throttle body relearn procedure. 1) Turn the key to the 'ON' position. Then, depress the accelerator pedal slowly all the way to the floor, and then depress the pedal slowly to full out position. 0 Chrysler Multi System Diagnostic Reset Tool. Chrysler 300 Throttle Body Replacement costs starting from $426. Delivery in 1-2 days. YOU NEED TPMS SCAN TOOL FOR THIS MODEL. Jul 11, 2023 · 3. And I think my problem is the PCM itself. Select storefor pickup availability. Turn the key to “ON,” but do not start the vehicle. Sep 4, 2012 · This is because all the accelerator pedal does is send electronic signals to the throttle body telling the throttle body what position to set itself in. Then start the engine and warm it up to normal operating temperature. Throttle Body, TechSmart, Chrysler, Dodge, Jeep, Each. 3%. The body needs to know when the accelerator pedal is fully down at 100% to ensure the accelerator pedal works over 100% of its range rather than never reaching 100% or reaching 100% too early. " Many people notice what appears to be sluggish throttle response or a "dead area" at initial accelerator depression. If your car has a keyless start option, press that button only once not enough to crank over the engine. LX Forums is definitely more in-depth technically, where 300/Charger Forums are more lightweight. Feb 12, 2017 · You can try the key on, engine off method of pressing the accelerator to the floor for about one minute, then releasing it for one minute, but this is not guaranteed to work. Add to Cart. Disconnect the negative terminal of the car battery and leave it disconnected for about 15 minutes. Tap ‘Reset’ button to perform the function. Vehicle Fitment. Memory selector is on driver's door, First set driver 1 seat and mirror positions, then press and release memory "s" button. 2WD. " Therefore it does look like there is specific relearn procedure but that it requires the Chrysler diagnostic computer or it's equivalent. Feb 7, 2024 · Count . Reinstall the throttle body and air intake. Oct 19, 2023 · Press the gas pedal to the maximum for 10 to 15 seconds. May 4, 2010 · The following procedure will allow you to reset the memory and allow the computer to 're-learn' how to drive by adjusting to the drivers habits and the vehicles modifications. To recalibrate the throttle, simply turn your key to ON (don't start it), then press your throttle slowly all of the way to the ground, then slowly let the pedal come all of the way back up to the resting position. Turn the steering wheel to the middle so that the front wheels are pointed straight. Here is a simple way to read Abs codes at the metal plate located under the bumper. Jan 27, 2020 · Idle Speed Issues – Without knowing exactly where the throttle is, the 300’s computer may have a difficult time getting the idle speed just right. Remove the license plate and turn around so you’re looking at the underside of the car’s bumper. + $23. 2004 Ram QC Hemi Silver. #4 ·Dec 28, 2008. P0123 Diagnosis: Chrysler 300. Shops perform a honda throttle body reset with a scan tool, but you can do it manually by following this procedure: 1) switch the ignition key to the run position for 2 seconds. Hook said scanner up and delete all codes. The parts and labor required for this service are Jun 21, 2015 · Here’s a post on how to CLEAN A FORD ELECTRONIC THROTTLE BODY. Sep 30, 2018 · The TPS desired voltage is low: key to on: 0. Ensure not to start the engine. I don't know if it is hardware or software. This scan tool can read mode 6 to help you finish advance diagnose. TS609 obd2 scanner Support OBD1/OBD2/EOBD cars from 1996 to now. Follow the scanner instructions. I did a throttle system relearn and road tested the car. This will reset it. Turn off the engine. Now turn the ignition switch to “OFF” and then wait for at least 10 seconds. May 25, 2012 · 1. Mar 6, 2012 · Wiggling the harness has no impact on the glitch. Many car makers including GM started installing fly-by-wire electronic throttle bodies. The code is most common to Dodge, Chevys, and Nissans. Read FAQ. The Innova SDS50 SDS-Tech Tablet Scan Tool supports two types of Throttle Body Relearn: On-board Diagnostic Reset. 1 . Dec 18, 2022 · Step-by-Step GM TPS Relearn Procedure. plug 5: Clean on one side. Wait for 20 seconds. If a faulty throttle body unit causes stalling or poor performance in your Nov 5, 2009 · 2006 SRT8 ( Aug '05 build ) with 54k miles completely stock. If it won't start with the throttle body unplugged, try resetting the computers by disconnecting both of the battery cables, then touch the cable ends together for 2 minutes. Repeat again, leaving the key in the “OFF” position. com. Connect reader and turn key to on (not running) position. Dec 15, 2018 · The P0507 code is related to your Chrysler 300’s idle air control system. Turn on your engine and the light should be turned off. 33 V and at idle it fluctuates between 0. Autozone will scan/delete codes for free. 99. 04 diagnostic and programming interface for Chrysler fits in your shirt pocket and provides 100% CAN coverage for Chrysler, Dodge, Jeep and Fiat. Mar 1, 2017 · This is called a Honda throttle body relearn or Honda throttle body reset. + $25. Part Number: A1677006. iNCREDIBLE. Apr 22, 2022 · To reset the throttle body on a Chrysler 300 turn the ignition key to the “ON” position, and slowly depress and release the accelerator pedal. OBDII code P0123 is a serious problem that requires serious attention. Chrysler 300M Throttle Position Sensor (TPS) Replacement costs starting from $218. there is a precedure in the Star Scan to reset the ETC and recalibrate it, and the crankshaft sensors. Go to autozone and ask for a scanner to read your check engine light. Part Number: A1677013. Nov 12, 2019 · May 30, 2023 by Jason. Moreover, you can access standard service features, including oil service, resetting lights, adjusting throttle body To reset a throttle position sensor, you need to detach the battery, reattach the battery, set the ignition to electric, push the throttle pedal down, and then turn the key to the off position. 1. Allow 30 seconds to elapse. 5L V6 We were headed to the store last week and not long after leaving as we left a stop sign the throttle body light came on and my hubby said the car felt like it hesitated a bit. repeat for # 2 driver substituting memory selector 2 in step 2. While depressing the accelerator pedal, count 20 seconds. Don't start your car. Chrysler 300 Throttle Position Sensor (TPS) Replacement costs starting from $238. Jun 20, 2024 · The DTC P0507 code indicates Idle Control System RPM Higher Than Expected. 4 4cyl engine. I completed a 100 mile round trip the next day come out to drive the Dec 12, 2013 · Shut it off, reconnect the electrical plug to the TB, then fire it up again. AIR BAG LIGHTIn this video we will demonstrate how you can reset the airbag ligh May 20, 2014 · SOURCE: Chrysler town and country Memory Seats. Resetting the transmission control module can Feb 18, 2020 · Engine temp sensor reads correctly (Using Dash diagnostic display) Pedal Position sensor reads correctly. Wait for 30 seconds and then replace it, this will reset the system back to its factory settings. $94. Mar 23, 2024 · So in a stupid move, I do the "key on" pedal to the floor & release "key off" throttle body reset. Chrysler 300. Turn on the ignition without starting the engine and Reman Series Throttle Body. AUTOMATIC. 9 60' 8. With fuse 11 you reset them all. Next, turn the ignition on and then turn it off and wait for ten seconds. Push Accelerator: If you want to reset the sensor, do the following: turn on the vehicle without starting its engine and leave the key in the ON position. It determines the power, economy, stability of the automobile. Plug 3: Really clean. Checkif this fits yourChrysler 300. April 9, 2020. Then, turn the key to the off position. 7L. if the cable adjustments werent messed with, may not need to do it, but its a good thing to do. Different model year and engine combinations will experience different symptoms. Next, start the engine and allow it to idle. 06 300C SRT8 all stock. Possible causes: Vacuum leak, throttle body, mass air flow sensor, idle air control valve, or power steering pressure switch. Best ET-12. So on this car, the manual APP relearn allowed me to clear the Throttle body codes. Sep 9, 2019 · Thanks for Josh share this video. ESP on! Mar 12, 2023 · So my chrysler 300 is in a crabk no start condition. For about the last month the car has been randomly stalling with no warning lights either before or after the stall. In some cases, you can restart the TCM by unplugging the battery, and again reconnecting it. Kept heading to the store and then going up a hill, lost some power. 49. When idling it goes to -7. Wait for at least 60 seconds before restarting the engine. Turn the ignition to the “OFF” position. 6. Feb 25, 2024 · To perform an ECU reset on a Chrysler 300, you can follow these steps: Start by turning off the engine and removing the key from the ignition. 2) Start the engine and run it at 3,000 rpm until the fans of the radiator turn on. Dec 29, 2021 · cool stuff here, dont let dem foos overcharge you!#Autel #Shorts #AutoRepair May 13, 2022 · Leave them for 25 minutes and make sure they don’t touch the battery terminal. Plug 1: Really clean. This will recalibrate the engine control module to the new throttle body settings. David Goldberg. I have a 2007 chrysler 300 limited car. 2. In conclusion, I think all my 3 symptoms have the same root cause. TPMS RESET INSTRUCTION 2. 7. NOTE. The relearn may take from 10 – 35 minutes of driving . The Launch X431 V Pro 5. The throttle body is situated between the air filter and the intake manifold of your engine. When the Check Engine Light stops blinking and is turned on, take your foot off the accelerator within 3 seconds. The parts and labor required for this service are May 17, 2022 · Step 4 – Press the gas pedal down and fully release. Depress the accelerator 1min/depression—fully depressed five times (5 minutes). Aug 31, 2021 · I have a 2010 Chrysler 300 and I was getting codes for all 6 injectors having an open circuit so I changed out the fuse box in the trunk since it was evident that there had once been water in the trunk by the rust that was there. May 26, 2022 · Foxwell NT510 Elite is a modern OBD II scanner that is simple, efficient, and provides accurate results after diagnostics. 6 CYL. Wipe clean and spray a little in the manifold. com . Here are the procedures on how to reset electronic throttle control manually. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Now, let’s go deep to explain what a throttle position sensor is and how to Jan 23, 2011 · PCM Zero/SpanThrottle Calibration Throttle calibration can substantially improve throttle responsiveness over "factory standard. Then remove the 4 bolts holding the throttle body in. 58-0. reset done. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. "Use a scan tool and clear all fault codes then perform the ETC RELEARN function. 79,000 MILES. Release the accelerator pedal and turn off the ignition. Remember, the positive battery cable. Pull the body from the manifold. The vehicle will learn each sensor Id and turn the TPMS light off . Turn off key/disconnect reader. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. The throttle body, accelerator pedal, coil packs, o2 sensors and coolant temperature sensor were all changed in response Oct 15, 2019 · 2. hope this will help you. You have to prioritize timing following this procedure: Switch on the ignition key. Car is 2012 200 with 2. Check for the security light coming on when trying to start the engine. Next in our list of best OBD2 scanners is this ANCEL all-system OBD2 scanner. 2) Press and hold the 'Trip Meter Reset' button for approximately 6-8 seconds. Add TO CART. Steve. StandardDeliveryby July 17. 3 - iCarsoft US v2. Reman Series Throttle Body. wiTech MicroPod 2 Chrysler diagnostic & programming tool: Multi-language wiTech MicroPod 2 V17. You control the throttle body position with the gas pedal. 0L and 2. Remember: That you are going to increase the engine speed to approximately 3000 RPM, 4000 RPM, or 5150 RPM. what is the relearn procedure for the throttle body on 06 300 2. Condition of NEW Spark plug ceramic electrode after running motor for a few minutes. If your gauge is acting funny, this is an easy way to see if it's the sender or the gauge. Jumpstart Your Next Project! Find 2006 CHRYSLER 300 Throttle Bodies and get Free Shipping on Orders Over $109 at Summit Racing! May 13, 2022 · There is the best way to do it: by looking at the metal plate located under the bumper. Estimated Ship Date: Aug 7, 2024 if ordered today. Autel MaxiDAS DS808. otherwise the EML light may be lit. Once done, navigate to diagnostic and select the control unit. 7 V. To begin, locate the fuse box under the hood of your vehicle and remove the ETC fuse. Remove the 4 bolts. With a scan tool, monitor desired and actual RPM. Cost: $100–$634, based on the problem. Electronic Throttle Body - Compatible with Chrysler, Jeep & Dodge 2. 2 and 0. 0 Elite is a powerful OBD2 auto diagnostic tool with some serious internal hardware capable of solving all your car troubles. 1 (855) 347-2779 · hi@yourmechanic. The following steps you will want to do three times. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine Apr 1, 2012 · Remove the air intake. Start the engine. I hope you now have a better understanding of fixing the ABS light without a scanning tool. Put your foot on the accelerator pedal and hold it there for 20 seconds after a 7-second break. 2) Run a jumper wire from the positive battery cable to the now disconnected negative battery cable terminal. If it is a simple issue, like a dirty throttle body, then it may only cost a few dollars to fix. Spray some carb cleaner and wipe off with a rag. Plug 2: Really clean. 7? 2005 chrysler 300 throttle body operation × Help us help you. STEP 10- Reset the Throttle Body: Perform the throttle body relearn procedure as described in the owner’s or your vehicle’s repair manual. 1 1/4. In simpler terms, it’s an OBD-II code triggered when one of the two sensors in your gas pedal malfunctions. ASIN: B07J9HQ6JS. Attach the positive terminal first and then the negative terminal back. 06 Refundable Core Charge. " J. It can be used as diagnostic and programming tool by the dealerships to replace StarMobile 2005 chrysler 300 throttle body operation Help us help you. Throttle calibration can take care of these. Guaranteed to Fit. 5. Procedure steps: 1) Insert ignition key and turn to Nov 24, 2020 · Jeremy D. 79 Best trap speed-111 mph. SKU#820310. Silver Truck Club Member #59. Please make sure the accelerator pedal is fully released. Easy to use parts catalog. That HOW TO RESET AIRBAG LIGHT WITHOUT TOOLS SCANNER ON DODGE DART, CHRYSLER 200. Jun 21, 2015 · If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle body relearn to establish a new baseline idle. Disconnect the battery by removing the positive battery cable. The easiest route for you would be to follow along from the air box. Also my car engine runs high and low that I have to put my car in park and turn my car off and the restart it. 5L. Turn off the key and release the accelerator pedal. Go to VIN detection and click on autodetect; this will find the VIN. £149. The Sep 27, 2023 · While the Engine Control Module typically oversees parameters such as fuel injection, ignition timing, and idle speed control, the Transmission Control Module manages gear shifts, fluid pressure, and clutch application. Clear the PCM adaptive memory. The scan tool can help with full system diagnosis and also perform all three main types of relearn (crankshaft relearn, TPMS relearn and throttle body relearn) . 1) Disconnect the negative battery terminal. In those vehicles, the “gas” pedal isn’t connected to the throttle body by a cable. Feb 14, 2007 · There is a marked difference between LX Forums, and 300C/Charger Forums. Jun 23, 2022 · Code P2138 is an accelerator pedal position (APP) sensor or throttle position (TP) sensor code. "In a democracy, dissent is an act of faith. Use whichever procedure to reset stored TPS value. Dec 19, 2022 · Step 2: Locate the TPS sensor. Engine device that provides power for the automobile and the heart of the automobile. 2005 Chrysler 300 Touring 6 Cyl 3. This video is applicable to the 05, 06, 07, 08, 09, 10 Chrysler 300🔧 List of to Select the crankshaft position variation learn procedure (CASE Learn)on your scanner. Product Name and ASIN . Oct 30, 2023 · 2012 Throttle Body Replacement. The Body Control Module, on the other hand, controls functions related to the vehicle’s interior, such as lighting, security Sep 20, 2023 · Turn off all accessories. Display Engine Operating Hours. Next, locate the throttle body, where you will ultimately find the TPS sensor. Feb 12, 2023 · The cost to fix the ETC light will depend on the underlying cause of the light coming on. Firstly, slowly press the gas pedal to the floor. if the PCM gets flashed or unplugged, these 2 reset procedures "may" be required. Also, the glitch happens at any position of the throttle pedal, it also happens when you don't even touch the pedal. . It ran like a top with no lights or codes. If your Chrysler 300 has a faulty throttle body, it can cause it to run terribly. So I put a launch x-431 pro on it and did a throttle reset thinking manual pedal reset screwed something up. Apply the brakes and hold the pedal firmly. While the actual reading of TPS 1 is 0. 3. Shops perform a Honda throttle body reset with a scan tool, but you can perform it manually by following this procedure: 1) Turn the ignition key to the RUN position for 2-seconds. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Jun 18, 2020 · Top 1. The parts and labor required for this service are Dec 11, 2017 · Start and idle the engine in PARK for 3 minutes. Take the throttle body and spray with throttle body cleaner. Afterwards the car wouldn't start. 00 the number 12 option was not there Dec 3, 2012 · You need to remove the air filter. In this video, 1A Auto shows you how to access and clean your throttle body. Try unplugging the new throttle body and see if the engine will start. My engine light came on and it indicated that the electronic throttle control and on the other side it have shown a picture of a car with tire marks on it. The root cause of all the problems was the broken wire but once the fault codes were set, it was in a failure mode that couldn't be cleared without the manual Jun 21, 2015 · Here’s a post on how to CLEAN A FORD ELECTRONIC THROTTLE BODY. Turn the key to “ON” for two seconds and “OFF” again for 10 seconds. Make sure that the transmission is in Park. Nov 18, 2018 · Here is a direct copy/paste of the last instruction for installing a new throttle body. It is more a general practice that allows the PCM to detect the start and stop points of the throttle body. Jul 11, 2023 · Do this 5 times within 5 seconds. FREE UK delivery (Worldwide delivery also available) Same day dispatch from our UK Base. William Fulbright. 77- -19 fluctuating also. Then there are 4 bolts holding the throttle body on to the manifold. May 1, 2024 · Finally, turn off the car, and you should have successfully reset the throttle body on your Honda. Drive the car for at least 20 minutes. Feb 9, 2006 · 3) Turn the key to 'ON' position. After scanner throttle body reset car still wouldn't start. Check price on Amazon. 9 1/8 14. Mar 17, 2017 · Failed attempt throttle body reset on 2008 Honda Civic SI version 9. the why part is to reset the adaptation of the throttle position sensors of the throttle body readings in the DME. GET A QUOTE. However, if there is a more serious problem, like a bad throttle body or throttle body sensor, it could cost between $100 and $800 to repair. $30 give or take. 09 V. Whereas things like 'custom blended" engine oil, throttle body spacers, throttle pedal calib's, what wax to employ are more prevelantthose same topics are a tough-sell at LX. Please confirm that the accelerator pedal is fully released, now turn the ignition switch to “ON” and wait for 3 seconds. Sep 20, 2023 · Here, we show you how to use an OBD scanner to relearn the throttle body. Engine Mechanical Condition - oil or unburnt fuel in exhaust stream. Aug 16, 2020 · ENG: Engine System . The car would be running fine for about 10 minutes or so then at a light or stopped waiting to turn, the rpms would jump up, the car would lurch forward and then die. Electronic throttle control directional duty cycle in % is at idle 10. then press and release memory selector "1" button. 25 Refundable Core Charge. 4L - 200, Sebring, Avenger, Caliber, Journey, Compass and Patriot - Repla. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and Jul 16, 2023 · Manually resetting an electronic throttle control (ETC) is a simple process that can be done in just a few minutes. To perform the GM TPS relearn procedure, follow these steps carefully: Start and Idle the Engine in Park for 3 Minutes: During this initial idle period, the engine may run at a higher-than-normal speed. Plug 4: Really clean. There is an aftermarket diagnostic Apr 9, 2022 · Chrysler Mechanic: Marc. Let the vehicle sit OFF for a minimum of 20 minutes. Learn about carburetor here! Everything You Need To Know About Carburetor. Drive the vehicle above 15 MPH for at least 10 minutes. Part#TB-D20003. $133. A Chrysler tech can scan for each of these conditions to narrow it down. See full list on mechanicbase. AboutChrysler 300 Throttle Body Unit. Turn the key to the “on” position without starting the engine and wait for the throttle control warning light to turn off. It had the red lighting bolt appear quite a few times and the reset (turning key on when pressing accelerator to the floor and slowly releasing turning key off and then back on) had resolved it every time. It features eight special functions for vehicle diagnosis, and it comes with a code reader, including oil, EPB, TPS, injector adaptation, PDF scanning tool, and steering angle. 7L V8 Throttle Body Gasket | RockAuto Press and hold down the accelerator pedal for at least 10 seconds. Your 300’s throttle body controls the amount of air that enters the engine. Ancel Vd700 Obd2 Scanner. It has essential and advanced functions, including clear code, live data, driver, and programming. As our mechanic explains in the video above (1:07), a gas pedal has two APP sensors to essentially serve as fail-safes for each other in Oct 9, 2023 · 2006 Chrysler 300 3. The Scan Tool will automatically send a command Jul 12, 2021 · Aquire Foxwell (or other bidirectional scanner that is Honda compatible) 2. It can support 10 Modes obdii functions & real time battery Voltage in wavegraph. Covers Engine, ABS, Airbags, Transmission, DPF, Oil Service Reset, Injector Coding, EPB, ABS Brake Bleeding & more. Go into the reader and view TPS info. Resetting The Throttle Position Sensor In A Honda Using An OBD2 Scanner Resetting the throttle position sensor in a Honda is a quick and easy process that can be completed in less than two minutes using an OBD2 scanner, also known as a code reader. 2006 CHRYSLER 300 5. Failing O2 sensor. Select the ‘Idle Learn Reset’ function. Its very easy. 85V key on and at idle fluctuates between 0. Sep 19, 2006 · The calibration technique is : Turn on ignition (with the doors closed) until all the lights go out except engine logo & lightning bolt light. 6075 posts · Joined 2006. Ignition OFF for 60 seconds. Start and idle the engine in PARK for 3 minutes. Step 3 – Choose the function to perform. 4. Reconnect the negative terminal of the battery. On-Board Diagnostic Reset. Sep 10, 2019 · And this OBD2 Scanner Diagnostic Tool provides over 30+ control service resets, like brake deactivation, ABS activation, battery registration, oil reset, traction and throttle body adjustment, D-P-F regeneration, A/C troubleshoot, CBS condition-based service reset, SRS, HVAC system, SAS Calibration💲SAVING THOUSANDS FROM DEALERSHIPS AND SAVE HOW TO RESET AIRBAG LIGHT WITHOUT TOOLS SCANNER ON DODGE DART, CHRYSLER 200. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly May 19, 2022 · 2. Start the car and let the engine run for a few minutes to finish re-calibrating the throttle body. 165 Reviews. 2021 Chrysler 300 S 8 Cyl 5. The idle air control valve (IAC) plays a crucial role in maintaining a smooth idle by regulating the amount of air entering the engine. I changed the crankshaft position sensor, changed the throttle body, and the accelerator pedal, changed the spark plugs and coil packs, checked the injectors, changed the o2 sensors, changed the coolant temperature sensor. Unlike other brands’ scanner only for 2005 and newer cars. This should take around four seconds, and once the pedal hits the floor, leave it there for another three seconds or so. Connect the OBD scanner to your vehicle and then proceed to turn the ignition on. This step allows the PCM to begin the relearn process and make initial adjustments to the TPS. The gauges will step through the whole range. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc. It’s essential to maintain your 300’s idle air control system to optimize engine performance and fuel efficiency. sounds like the ETC was not calibrated, or was losing it's calibration. tc wa rm oh ac bz ai pi rv yd