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P0102 Diagnostic Trouble Code Discussion for March 2010

Mass Airflow Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0102
Help Request Posted
1997 GMC K2500 Sierra SL 5.7L MIL Lamp on VIN: 1GTGK24R4V
P0102: MAF Sensor Circuit Low Frequency. this is a strange problem. came in with a cel checked and found the codes listed above. traced down and found the eng 1 fuse blown 20 amp according to the wiring diagram it controls the heated o2 sensors and egr valve canister purge valve cam and crank sensors...
March 02, 2010
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge VIN: WVWAC63B11
P0102: Air flow low. Came in with rough/surging idle, check engine light on, and higher speed surge (3000rpm) Check for vacuum leaks (smoked through fuel pressre regulator vaccum port and plugged intake hose before t body)No vacuum leaks found. Test maf with lab scope. Determined ...
March 07, 2010
2000 Jaguar S-Type 4.0L Poor Idle Quality, Misfire VIN: SAJDA01D0Y
P0102: maf low. i suspect bad fuel from setting all winter, but customer tells me it is a bad coil on the left bank. he will only let me fix what he tells me is wrong but wants me to be responbsible for less than perfect results. i had a p0306 codem when it first came in, rep...
March 18, 2010
1997 GMC K2500 Sierra SL 5.7L MIL Lamp on VIN: 1GTGK24R4V
P0102: MAF Sensor Circuit Low Frequency. this is a strange problem. came in with a cel checked and found the codes listed above. traced down and found the eng 1 fuse blown 20 amp according to the wiring diagram it controls the heated o2 sensors and egr valve canister purge valve cam and crank sensors...
March 02, 2010
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge VIN: WVWAC63B11
P0102: Air flow low. Came in with rough/surging idle, check engine light on, and higher speed surge (3000rpm) Check for vacuum leaks (smoked through fuel pressre regulator vaccum port and plugged intake hose before t body)No vacuum leaks found. Test maf with lab scope. Determined ...
March 07, 2010
2000 Jaguar S-Type 4.0L Poor Idle Quality, Misfire VIN: SAJDA01D0Y
P0102: maf low. i suspect bad fuel from setting all winter, but customer tells me it is a bad coil on the left bank. he will only let me fix what he tells me is wrong but wants me to be responbsible for less than perfect results. i had a p0306 codem when it first came in, rep...
March 18, 2010