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2003 Chevrolet Silverado 1500 HD LS 6.0L Poor Idle Quality, Hesitation, Cuts out, Misfire
Posted to GM Driveability on 3/25/2005 14 Replies

we have this 03 silverado with a 6.0l, has a miss under cold conditions only for about 1 minute. it misses on all cylinders but mostly on cylinders 1 and 8. after vehicle warms up all misfires stop completely. we checked for vacuum leaks around the intake and ...

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car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCGK13U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Misfire
OccursCold
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCGK13U43
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Misfire
OccursCold