Question about 2001 Pontiac Montana

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P0102 maf or vaf A low circiut input is the code what are the possible solutions I have recently replaced the fuel pump, fuel filter and air filter. When i start the van refs high if i slightly push on the accelerator rpms drop then serge if i floor the accelerator i get the serging but a different tone engine sounds lower or quieter. When I drove van around the block engine serges when I accelerated but drove fine if i didn't give any gas hesitating and jerking when accelerating HELP please what can I tried. When puting a volt meter on the plug to the maf sensor 12 volts when checking continuity on the sensor side of the plug very low needle only moved maybe 1/4 inch. I hope this helps you help me please let me know what else I can do or check to help you diagnose thank you!

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You have also tried replacing the Mass air flow sensor. How does it run with it unplugged? You can also get all your symptoms and the MAF code from a plugged catalytic converter.

Posted on Jul 13, 2010

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