globalhelper of Greg's Orange Auto on . 1 answer & 0 comments. The ECM uses non-volatile memory to keep track of the IAC position when the engine and ECM are turned off. Is there a trick to resetting the IAC or installing it. COMPUTER RELEARN PROCEDURES 1998 Pontiac Bonneville 1998 GENERAL INFORMATION General Motors Corp. - Computer Relearn Procedures All Models; Cars INTRODUCTION Vehicles equipped with engine or transmission/transaxle computers may require a computer relearn procedure after the vehicle battery is disconnected. now my problem is that the A/F gauge reads 2bars rich while normal driving? Fiddled about cleaning various connectors in the engine bay, no luck! November 29, 2012. Getting Connected: Mitsubishi TPMS Relearn Procedures Most vehicles require some type of “stationary” relearn procedure to reset the system. Answer. For the ECM to properly control idle, the throttle stop screw must be set for "minimum air". johnhco in Oakland, CA on . My throttle body was all gunked and sticking so I removed it to clean it. Had dinner and watched Canadian GP, then went on the forums. Popular Answer. See Service-Manual-3000GT-1992-1996-Volume-1.pdf , Ctrl+F is your friend. and when i drive normal its fine and in boost its fine, but as the turbo starts to spool like right when i start to boost it cuts out? It idled fine before. YCT IACV IAC Idle Air Control Valve MD628174 MD628119 AC254 Fits Chrysler Sebring Dodge Stratus Mitsubishi Eclipse Galant Montero Sport Lancer Outlander 3.0L 3.5L V6 … I’d really like to solve it before I do anymore aftermarket. It’s not terrible, but it jumps around from about 660 to 760 rpm. The car has had an unsteady idle since I bought it a few months ago. My brother has a 2000 Mitsubishi Galant with a 2.4L. Once clean, install the IAC back in the throttle body and reconnect the IAC wires. 3SX Performance - Service Manuals Backups 3000GT / Stealth - Mitsubishi 3000GT / Dodge Stealth Parts It tells you how to adjust the idle in the service manual, something to do with grounding a certain pin on your obd diagnosic port and adjusting the BISS Screw. This requires some type of TPMS tool to ­activate each of the tire pressure sensors in a specified sequence so the TPMS control module can relearn … It is throwing a P0505 code now and idles around 1000 and 500 with ac on. Each car has a unique IAC value that takes into account the condition of the sensors, air and vacuum passages, etc. well i let it relearn idle according to the steps... it helped some, but i ended up having to adjust the screw it said in the last step to get it to idle completely right. SOURCE: idle speed adjustment the ecu drives a unit called an idle airspeed controller.if there is a vacuum leak,the computer will have the idle speed too high. I removed the idle air control motor before cleaning and only cleaned it with a cloth wet with carb cleaner. the IAC is a motor driven valve that controls airflow into the throttle body.it is common for idle speeds … The Idle Learn Procedure When you're having problems, the first thing worth trying is the idle lean procedure. The previous owner adjusted the idle. As the title says I have a rough idle. This is a process that sets the idle with the IAC fully extended. Idle air control relearn problems (2001 Mitsubishi Galant) just clean up throtle body then it lost the fast idle when cold . At this time also clean the IAC passages in the throttle body. I just reset the computer (disconnected the battery for 10 mins) and no change. Gave up; thought" have another look in the morning". 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