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2003 Chevrolet Impala 3.4L Poor Idle Quality, Surge
Posted to GM Driveability on 11/16/2012 15 Replies

Good evening.I have a 3.4 impala with some problems. Customer said car would go 50 mph with foot off the gas & would idle high at a stop. Confirmed both problems but it only does it about half the time. Scanned & found codes p0101 maf out of range & p0121 tps ...

15 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E33
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIntermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0121Throttle Position Sensor Range/Performance
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E33
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIntermittently

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0121Throttle Position Sensor Range/Performance