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Dan, Technician
Category: GM
Satisfied Customers: 23950
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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What does code p0102 mean and how do i fix it?

Resolved Question:

what does code p0102 mean and how do i fix it?
Submitted: 8 years ago.
Category: GM
Expert:  Dan replied 8 years ago.
What year, model, make, and engine size of vehicle? Thanks
Customer: replied 8 years ago.
1996 jimmy v6
Expert:  Dan replied 8 years ago.

This problem is almost always caused by a failing mass air flow sensor, let me know if you have questions. Thanks


P0102 MAF Sensor Circuit Low Frequency

Possible CausesSetting Conditions
  • Base idle speed is set to low, oil dipstick missing or not seated
  • MAF sensor element hot wire contaminated or the sensor failed
  • MAF sensor signal shorted to ground or ground circuit problem
  • MAF sensor wiring routed close to the ignition wires, generator, solenoids or electric motors
  • PCM has failed



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