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2003 Chevrolet Silverado 1500 5.3L High idle
Posted to GM Driveability on 7/26/2012 10 Replies

Was at gm dealer...start truck up and idles to 3500 rpm...then shoots up to 6500 rpm...computer was flashed at the dealer

10 Replies Received (View Replies)

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car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 1GCEK19T13
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsNot OBD-II Compliant
SymptomsHigh Idle
OccursAlways
Message Closed

car Vehicle Data

2003 Chevrolet Silverado 1500

VIN 1GCEK19T13
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsNot OBD-II Compliant
SymptomsHigh Idle
OccursAlways