2000 gmc c6500 454 v8 0miles - Engine Troubleshooting


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2000 gmc c6500 454 v8 0miles

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jeffrackley2
New User

Dec 19, 2013, 11:04 AM

Post #1 of 3 (2638 views)

2000 gmc c6500 454 v8 0miles	Sign In

i have a 2000 gmc c6500 454 v8 we just put in and we are getting power to the coils but its not firing we have changed the cam and crank sensors and still nothing please help we are getting power to the distributor and to the coils but its still not firing

Tom Greenleaf
Ultimate Carjunky / Moderator
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Dec 19, 2013, 12:15 PM

Post #2 of 3 (2619 views)

Re: 2000 gmc c6500 454 v8 0miles	Sign In

Will it react to a prime of fuel?

If so that narrows it down so take fuel pressure test first,

T

kev2
Veteran
kev2 profile image

Dec 19, 2013, 1:05 PM

Post #3 of 3 (2609 views)

Re: 2000 gmc c6500 454 v8 0miles	Sign In

As tom suggested try to prime the intake- but a fuel pressure test is BASIC.

I would start -
is the CEL (ck eng light) on? scan for codes, check for RPM reference.
Is the security light on?
......IMPORTANT the CEL should come on every time you attempt to start - on @2 seconds then go off - yes/ no?
The CEL is your friend and a place to start.
Is there 12v at injectors - a noid light makes this easy work.

(This post was edited by kev2 on Dec 19, 2013, 1:06 PM)

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