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2000 GMC topkick 7.4L No Start
Posted to GM Driveability on 4/28/2004 3 Replies

The one interesting thing to note is the fact that the spark will fall out and the ignition will spark once as the key is shut off. This is like the old ingnition module problems we have seen in years past. The Crank and Cam sensors have good Lab Scope pattern...

3 Replies Received (View Replies)

 
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car Vehicle Data

2000 GMC topkick

VIN 1GDJ6HIB6Y
Engine7.4 L / 8 cyl
DeliveryFI / LP
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.This Is a Factory Lp Fuel Delivery Engine
Message Closed

car Vehicle Data

2000 GMC topkick

VIN 1GDJ6HIB6Y
Engine7.4 L / 8 cyl
DeliveryFI / LP
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.This Is a Factory Lp Fuel Delivery Engine