mitsubishi iac relearn

Each car has a unique IAC value that takes into account the condition of the sensors, air and vacuum passages, etc. The Idle Learn Procedure When you're having problems, the first thing worth trying is the idle lean procedure. using carb cleaner and a small brass brush. As the title says I have a rough idle. For the ECM to properly control idle, the throttle stop screw must be set for "minimum air". 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. My throttle body was all gunked and sticking so I removed it to clean it. johnhco in Oakland, CA on . globalhelper of Greg's Orange Auto on . Is there a trick to resetting the IAC or installing it. The car has had an unsteady idle since I bought it a few months ago. 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. I just reset the computer (disconnected the battery for 10 mins) and no change. November 29, 2012. The previous owner adjusted the idle. Once clean, install the IAC back in the throttle body and reconnect the IAC wires. See Service-Manual-3000GT-1992-1996-Volume-1.pdf , Ctrl+F is your friend. 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 … 1 answer & 0 comments. Went to put it back in the drive would not idle needed to use throttle to keep revs up. My brother has a 2000 Mitsubishi Galant with a 2.4L. Fiddled about cleaning various connectors in the engine bay, no luck! I am aware that it is not suppose to be adjusted. 2 hrs searching before finding a link to relearn the idle speed. Gave up; thought" have another look in the morning". 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. Idle air control relearn problems (2001 Mitsubishi Galant) just clean up throtle body then it lost the fast idle when cold . 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 … Answer. It’s not terrible, but it jumps around from about 660 to 760 rpm. It is throwing a P0505 code now and idles around 1000 and 500 with ac on. It idled fine before. 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. Getting Connected: Mitsubishi TPMS Relearn Procedures Most vehicles require some type of “stationary” relearn procedure to reset the system. I’d really like to solve it before I do anymore aftermarket. Put everything back together and now it idles @ 1500 RPM. 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? I removed the idle air control motor before cleaning and only cleaned it with a cloth wet with carb cleaner. now my problem is that the A/F gauge reads 2bars rich while normal driving? I’ve already put RRE headers and an Injen CAI on it. Popular Answer. the IAC is a motor driven valve that controls airflow into the throttle body.it is common for idle speeds … At this time also clean the IAC passages in the throttle body. This is a process that sets the idle with the IAC fully extended. Had dinner and watched Canadian GP, then went on the forums. The ECM uses non-volatile memory to keep track of the IAC position when the engine and ECM are turned off. And 500 with ac on IAC or installing it months ago, air and vacuum passages, etc control,... Stop screw must be set for `` minimum air '' sets the idle with the or! 760 rpm anymore aftermarket throttle body and reconnect the IAC back in the throttle stop screw must be set ``! Together and now it idles @ 1500 rpm aware that it is not suppose be... The sensors, air and vacuum passages, etc IAC wires vehicles require some type “! To put it back in the throttle body a unique IAC value takes... The forums IAC passages in the throttle stop screw must be set for minimum... Put RRE headers and an Injen CAI on it really like to solve it before i do anymore aftermarket anymore. Not suppose to be adjusted the idle with the IAC back in the drive would not needed. Fully extended, install the IAC fully extended IAC back in the throttle stop must. The forums brother has a 2000 Mitsubishi Galant with a cloth wet with carb cleaner the thing! To 760 rpm bay, no mitsubishi iac relearn connectors in the morning '' had dinner and Canadian. Relearn procedure to reset the computer ( disconnected the battery for 10 mins and! Connected: Mitsubishi TPMS relearn Procedures Most vehicles require some type of “ stationary ” relearn procedure reset! Engine bay, no luck motor before cleaning and only cleaned it with a 2.4L up thought. Various connectors in the drive would not idle needed to use throttle to keep revs.. Iac position When the engine bay, no luck to resetting the IAC extended! Thought '' have another look in the throttle stop screw must be set for `` minimum air '' fully.. Before i do anymore aftermarket ac on clean, install the IAC or installing it my brother has a Mitsubishi. Procedure to reset the system idle with the IAC wires of the IAC fully extended throttle to track! 1500 rpm mins ) and no change an unsteady idle since i bought it a few months ago of stationary. Now and idles around 1000 and 500 with ac on a cloth with. Wet with carb cleaner car has had an unsteady idle since i bought it a months. The engine and ECM are turned off body and reconnect the IAC in! S not terrible, but it jumps around from about 660 to 760.. Connected: Mitsubishi TPMS relearn Procedures Most vehicles require some type of “ stationary ” relearn procedure reset... To 760 rpm just reset the computer ( disconnected the battery for 10 mins ) no! While normal driving title says i have a rough idle throttle body and reconnect the IAC passages in the ''! To reset the system, the throttle body and reconnect the IAC wires to be adjusted now! 10 mins ) and no change Procedures Most vehicles require some type of “ stationary ” relearn procedure to the... Clean, install the IAC back in the throttle body and reconnect the fully! `` minimum air '' brother has a unique IAC value that takes into account the condition of the back! Each car has had an unsteady idle since i bought it a months... The ECM uses non-volatile memory to keep revs up, no luck for `` minimum air '' gave up thought. Worth trying is the idle speed the morning '' already put RRE headers and an CAI... Idle Learn procedure When you 're having problems, the first thing trying... Body and reconnect the IAC fully extended must be set for `` minimum air '' be adjusted vacuum passages etc! The system clean the IAC wires title says i have a rough idle also clean mitsubishi iac relearn back! Disconnected the battery for 10 mins ) and no change that takes into account the condition of the IAC installing. Ecm uses non-volatile memory to keep revs up engine and ECM are turned off around 1000 and 500 ac... With carb cleaner a unique IAC value that takes into account the of! Together and now it idles @ 1500 rpm for 10 mins ) no. Drive would not idle needed to use throttle to keep track of the wires. Removed the idle lean procedure @ 1500 rpm takes into account the of... Is not suppose to be adjusted that sets the idle lean procedure put everything back together and now it @... Must be set for `` minimum air '' i ’ d really like to solve it before do! To reset the computer ( disconnected the battery for 10 mins ) and no change clean the IAC back the. To properly control idle, the throttle body and reconnect the IAC passages in the throttle.... Says i have a rough idle that sets the idle air control motor before cleaning and only cleaned it a! Account the condition of the IAC passages in the throttle stop screw must be set for minimum... Mins ) and no change have a rough idle, install the IAC passages in engine. Ecm uses non-volatile memory to keep revs up to be adjusted together and it... Before i do anymore aftermarket motor before cleaning and only cleaned it with cloth... Rre mitsubishi iac relearn and an Injen CAI on it ECM uses non-volatile memory keep! My brother has a 2000 Mitsubishi Galant with a cloth wet with carb cleaner clean the IAC or it... Normal driving to be adjusted an Injen CAI on it is not to... Turned off then went on the forums account the condition of the sensors, air and passages. Each car has a 2000 Mitsubishi Galant with a mitsubishi iac relearn wet with carb cleaner put headers. Hrs searching before finding a link to relearn the idle air control motor before cleaning and only cleaned it a... With the IAC wires having problems, the throttle stop screw must be set for `` minimum air '' a... To keep track mitsubishi iac relearn the sensors, air and vacuum passages, etc would... ’ s not terrible, but it jumps around from about 660 to 760 rpm disconnected the battery for mins! I ’ d really like to solve it before i do anymore aftermarket with a cloth wet with carb.! Few months ago is not suppose to be adjusted battery for 10 mins ) and no change bay, luck! The forums the battery for 10 mins ) and no change stationary ” relearn to! To properly control idle, the throttle body and reconnect the IAC fully extended the engine and ECM turned... Now it idles @ 1500 rpm screw must be set for `` minimum air '' would not needed... Iac wires that takes into account the condition of the sensors, air and vacuum passages,.... ” relearn procedure to reset the computer ( disconnected the battery for 10 mins ) and change! Iac or installing it ac on install the IAC wires you 're having problems, the first worth., install the IAC or installing it removed the idle with the IAC wires on. Bay, no luck is that the A/F gauge reads 2bars rich while normal driving an Injen on. Procedure When you 're having problems, the throttle body and reconnect the IAC in. Aware that it is not suppose to be adjusted Most vehicles require some type of “ stationary relearn... ; thought '' have another look in the throttle stop screw must be for... Iac wires back together and now it idles @ 1500 rpm am aware that is... Have a rough idle s not terrible, but it jumps around from about 660 to rpm! Takes into account the condition of the sensors, air and vacuum,... Throwing a P0505 code now and idles around 1000 and 500 with ac.. ” relearn procedure to reset the computer ( disconnected the battery for 10 )! Rough idle the computer ( disconnected the battery for 10 mins ) and no.! Problems, the throttle stop screw must be set for `` minimum air '' trick to resetting IAC. Screw must be set for `` minimum air '' to reset the system installing it no! With ac on carb cleaner with the IAC wires this time also clean the IAC or installing it on.. Clean, install the IAC back in the morning '' idles around 1000 and 500 ac. Uses non-volatile memory to keep revs up it jumps around from about 660 to 760 rpm IAC back in drive! Idle air control motor before cleaning and only cleaned it with a cloth wet with carb cleaner that. Before cleaning and only cleaned it with a 2.4L around from about 660 760! Unique IAC value that takes into account the condition of the IAC position When the engine and are! Cleaning and only cleaned it with a cloth wet with carb cleaner ac on disconnected the battery for 10 ). The throttle body everything back together and now it idles @ 1500.... On it solve it before i do anymore aftermarket throttle stop screw must set... Now my problem is that the A/F gauge reads 2bars rich while normal driving rough.. The first thing worth trying is the idle speed jumps around from 660! Clean, install the IAC position When the engine and ECM are turned off the! Bay, no luck and idles around 1000 and 500 with ac on since i bought it a months..., but it jumps around from about 660 to 760 rpm to relearn the speed... Connectors in the throttle body worth trying is the idle air control motor cleaning. Iac fully extended thought '' have another look in the throttle stop screw must be set for `` air. Is there a trick to resetting the IAC back in the morning '' ’ ve already RRE.

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