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1999 Chevrolet Express 3500 5.7L Hesitation
Posted to GM Driveability on 1/6/2004 6 Replies

This truck came in with a cold bog and backfire through intake. On cold accel only last maybe 45 seconds after start up. Then run great until its cold again. Fuel pressure is 65 pis as it is backfiring. No codes and temp sensors like to be in range. Any help w...

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  Related Documents & Media  1999 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R4X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortech
EmissionsOBD-II Compliant
SymptomsHesitation
OccursCold
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R4X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortech
EmissionsOBD-II Compliant
SymptomsHesitation
OccursCold