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1999 Chevrolet Silverado 1500 5.3L Hesitation
Posted to GM Driveability on 8/20/2007 24 Replies

We have a 99 silverado that has a very bad hesitation in it. The problem occurs after at least 4 hour sit. Ambient temp not related. This is a open loop issue. Closed loop it is fine. The truck idles perfectly but falls on its face and pops from intake with to...

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  Related Documents & Media  1999 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEK19T8X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursCold, After Cold Soak
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEK19T8X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursCold, After Cold Soak