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2003 Chevrolet Impala 3.4L Speedo
Posted to GM Electrical on 9/18/2013 10 Replies

the speedo is erratic and the trans hunts for gears, hesitates, etc. when accelerating normal the speedo and scanner show 9 mph and you ARE ACTUALLY GOING 40MPH. WHEN YOU DECEL IT JUMPS UP TO [...] you drive easy then speedo op is ok. found no TSB's. googled i...

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  Related Documents & Media  2003 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E23
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedSpeedo
ConditionsErratic
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala

VIN 2G1WF52E23
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedSpeedo
ConditionsErratic