Weak fire from the distributor

Asked by GuruVR751 Sep 09, 2018 at 01:37 PM about the 1999 GMC Sierra

Question type: Maintenance & Repair

I'm getting good fire from the coil
but weak fire to the plugs  also I
turn my key on  no fuel pressure
but if I crank the engine I have fuel
pressure can someone tell me
what going on with my truck

1 Answer
39,025

beatupchevy answered 5 years ago

are all the ignition parts new or good condition ? You'll have to test for power at the fuel pump disconnect to see if it primes and for good ground ,, there may be a relay , could be ignition switch ? ?

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