Engine Code P0102 - Engine Troubleshooting


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Engine Code P0102

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TGMcCallie
User

Jun 1, 2010, 6:58 PM

Post #1 of 4 (5583 views)

Engine Code P0102	Sign In

Buick LaCrosse 99 model with 75,000 actual miles 6 cylinder engine

Check engine light comes on. Ran code check and it says P0102 MAF or VAF A Circuit Low Input.

Is this caused by a sensor and if not is there something that I can do to correct the problem?

Thanks

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 1, 2010, 7:03 PM

Post #2 of 4 (5576 views)

Re: Engine Code P0102	Sign In

Are you using a K&N filter?

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

TGMcCallie
User

Jun 1, 2010, 7:13 PM

Post #3 of 4 (5569 views)

Re: Engine Code P0102	Sign In

What filter are you talking about? Air Filter or what? If it is air filter, I am using a Fram air filter.
Advise

Sidom
Veteran / Moderator
Sidom profile image

Jun 1, 2010, 8:52 PM

Post #4 of 4 (5567 views)

Re: Engine Code P0102	Sign In

Yes he was referring to the air filter. Oil base air filters are one cause of ruining MAF sensors.....

There are a few things that can cause this problem, a defective sensor being one of them...

Some thing quick an easy would be to get a can of MAF sensor cleaner ( I believe CRC makes it, in a grey can) and clean the sensing wire inside the sensor and clear the code. If the codes comes back then power, ground & signal wires would need to be checked as well as grams per second while running to verify the sensor is accurately reporting air flow..

Also makes sure all air tubes & lines are hooked up and secure with no leaks.....

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