2000 Grand Prix p0102 vacuum leaks

90

Asked by Mar 29, 2015 at 02:51 PM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

My grand prix has code p0102 and I think
its because I have a vacuum leak. Only
problem is I dont know where the hoses are
or how many there are. Can somebody
answer this?

5 Answers

143,295

P0102 Pontiac is less likely a vacuum leak than a MAF problem. Mass Air Flow sensor. Measures amount of air entering intake. Faulty, dirty unplugged, or bad connection.( Circuit Low Input) http://www.obd-codes.com/p0102 and http://repairpal.com/obd-ii-code-p0102 agree, code is thrown when excessively low voltage from the sensor is sent to ECU. Would have to be a massive vacuum leak, your idle would be very high, so bad a leak more air is entering intake than passing through MAF

143,295

Try unplugging MAF with engine running..careful..no sleeves on.. see if it runs same. And a very very dirty air filter will also cause this

90

I cleaned my maf already and it looked fine but ill try the unplugging it while engine is running.

1 out of 1 people think this is helpful.
143,295

Further reading confirms. http://www.justanswer.com/pontiac/3v20y-98-pontiac-grand-prix-auto-zone-scanned-popped-p300.html

143,295

Yep, I'm NOT saying a vacuum leak is out of the question. Just odds

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