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Discussion Starter · #1 ·
hey i got a ? when i bought my 91 the owner had the mas unplugged said it was a bad sensor, the thing is the car runs great without it not problems but when i do plug it in it will stumble and barely idle. having it unplugged would this mess anything up?
 

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wow, that's strange. the Mass air play a big part in fuel delivery and so on. most don't work or stumble bad when it's unplugged.
 

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Its probably because the ECM is in a limp mode, and thats why. Regardless, your performance is suffering wether you realize it or not. Get the problem fixed.
 
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