ojm712 Posted January 2, 2014 Share Posted January 2, 2014 Hey Subaru Nation - I have a 1992 Legacy 2.2 (non-turbo) and I'm trying to diagnose some idling issues. The car runs fine but once its warmed up it begins to surge idle at stops (sometimes stalling). I had a cracked air intake and I replaced it with no resolve and I've cleaned out the throttle body and I'm currently replacing the Idle air control valve with a new one (new gaskets all around). My next option is replacing the mass air flow sensor. My current sensor has 5 pins and all of the replacements I've seen online have 5 slots but only 4 pins?? Does it matter? Will the 4 pin work the same? Also if anyone has any further ideas or sollutions for idling issues - I'm much appreciative. I've also changed out the coolant/thermostat. Thanks for the help! Quote Link to comment Share on other sites More sharing options...
Legacy777 Posted January 2, 2014 Share Posted January 2, 2014 Welcome to the USMB. Yes the four pin MAF sensors will work fine. How does the engine/car run besides the poor idling? Is the poor idling your only problem? Quote Link to comment Share on other sites More sharing options...
MilesFox Posted January 2, 2014 Share Posted January 2, 2014 engine temp sensor? Do the fans run constantly? perhaps the car thinks its cold when warm, or vice versa, probably confusing the IACV Quote Link to comment Share on other sites More sharing options...
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