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1999 Chevrolet Express 3500 6.5L Hesitation
Posted to GM Driveability on 8/11/2008 8 Replies

Engine will not run more than 1200 rpms and smokes profusely. I have replaced the fuel pump, injector pump, fuel and air filters. I noticed that the fuel rate should never go over 15. At idle the fuel rate stays within spec., however the minute the throttle is...

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car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG35F9X
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways
Message Closed

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG35F9X
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation
OccursAlways