Question about 1994 Nissan Altima

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94 altima stalling

The car starts and runs fine. After the engine is warm,it will stall out at almost every intersection . Basically ,whenever left to idle ,the revs just drop. New fuel filter,and air filter.Could it be the erg or vacuum sensor?  Any idea's

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I make a point of cleaning the air flow sensor with every vehicle that comes in with an idle fault.it has fixed 50%,ensure that you use only airflow sensor cleaner(comes in aerosol,crc do one).some develop fault when throttle body gets dirty internally,again clean with spray and a bottle brush works fine to get in past butterfly,this accounts for another 30% we see here.the idle control can play up also,but check as above as it benefits engine run hugely even if no fix

Posted on Jul 24, 2009

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Sounds like a bad idle air control Iwould have it tested. The egr valve could be sticking as well. I worked on 2 94 altimas that had same problem and it was the idle air control, however there are othe things that can cause that.

Posted on Jul 16, 2009

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Check the vacuum line and map sensor

Posted on Jul 16, 2009

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