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International Automotive Technicians Network
2006 Chevrolet Impala LS 3.5L Reduced Power
Posted to GM Driveability on 12/14/2010 9 Replies

Customer does mostly highway driving. Every couple days, while on the interstate, "reduced power" comes on. It will accel some but very sluggish. We could not duplicate so we cleaned t-plate and cleared codes. 4 days later, car returns with only p2135 (correla...

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  Related Documents & Media  2006 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Impala LS

VIN 2G1WB55K76
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsReduced Power
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Impala LS

VIN 2G1WB55K76
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsReduced Power
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation