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Old 02-05-2013, 09:37 PM   #1
Nyberg
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MAF unplugged - SVT

Car runs and idles terrible after our exploding intake fiasco. Checked the timing and swapped out the plugs. Question is when I unplug the MAF sensor the car runs better, is this a symptom of a bad MAF.
Cheers
Gerry


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Old 02-05-2013, 10:11 PM   #2
beatmaniac1
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Did the car ran for a while with the MAF unpluged ? It's my case and since I repluged it , car runs like crap too. Is this because the computer is relearning ? MAybe runing with/without the maf had screwed your ECU operation like it did with mine ...
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Old 02-05-2013, 10:25 PM   #3
Nyberg
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No the car just runs terrible with the maf plugged in and will not even idle, with it unplugged it is better but still not great. I just tried cleaning the mac, unplugged the battery but still runs lousy.
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Old 02-05-2013, 10:45 PM   #4
beatmaniac1
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have you any way of monitoring the maf output ? like a sct tuner or code reader with live streaming ? You could see if the signal is OK. The bad idle issue could be caused by another sensor/faulty part. If the ecu switches into a different mode when you unplug the maf,it could compensate for the bad idle (like going into a safety mode). Just giving my thoughts...
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Old 02-05-2013, 10:38 PM   #5
Nyberg
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Is a code reader going to tell you if the maf, o2 sensor etc have gone bad?
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Old 02-06-2013, 06:17 AM   #6
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Moved to "General Technical Chat".
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