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1996 GMC C2500 mass air flow

Tiny
RICK SPAANS
  • MEMBER
  • 1996 GMC C2500
  • V8
  • 4WD
  • AUTOMATIC
  • 20,000 MILES
Installed a modified sensor got rough idle and lean condition, Disconected battery for one hour to reset computer. My truck is 10,000 GVW, 4L80 Trans.
Friday, December 26th, 2008 AT 6:38 PM

3 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Buy installed a modified sensor which sensor did you replace and what do you mean by modified? Thanks and get back to me.
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Friday, December 26th, 2008 AT 9:54 PM
Tiny
RICK SPAANS
  • MEMBER
  • 2 POSTS
I bought a Granatelli mass Airflow sensor it is supose to increase air flow by 45% with a K&N air filter system witch I also installed.
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Sunday, December 28th, 2008 AT 5:43 AM
Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
If it didn't have this problem before you put it on then I would say you got a bad one. Check to see what the warranty is on it. If you want to we do a test on it but that would be what I would be thinking.
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Sunday, December 28th, 2008 AT 10:30 PM

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