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2002 Buick Park Avenue Mass Air Flow (P0102)

Tiny
JAMURPHY
  • MEMBER
  • 2002 BUICK PARK AVENUE
Electrical problem
2002 Buick Park Avenue 6 cyl Front Wheel Drive Automatic 100K miles

I have a Mass Air Flow Alarm Code. I suspect the sensor itself is bad. It should probably be replaced. I am not a fan of swapping out $150 parts as a form of troubleshooting.

Do you know if Mass Air Flow Sensors are outputing a range 0-10 volts (analog) or (discrete) 12v on/12v off. If it is a discrete normally open sensor I can add a jumper wire to bypass sensor to rule out any other causes.

Thx
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Thursday, January 7th, 2010 AT 1:11 PM

2 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
P0102 most likely sets due to dirty air filter, leak in air snorkle and MAF dirty. Try cleaning first with approved MAF cleaner.
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Friday, January 8th, 2010 AT 10:43 AM
Tiny
JAMURPHY
  • MEMBER
  • 2 POSTS
I have purchased a new Air filter since original post. I did also clean sensor twice w/ele contact cleaner. I was unaware of a specific clearner for these.

Thanks
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Monday, January 11th, 2010 AT 7:41 AM

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