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Ask Mike S. Your Own Question
Mike S.
Mike S., ASE Certified Technician
Category: Pontiac
Satisfied Customers: 6925
Experience:  ASE certified
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Cranks no start changed everything No security light, No

Customer Question

Cranks no start changed everything No security light
JA: Does the light flash, blink or stay solid? Have you tried to reset the security system?
Customer: No blinking removed the vtd and got a security light put it back together light went out and yes did a key relearn several times
JA: What is the model/year of your Pontiac?
Customer: 2002 Pontiac Grand Prix GT 3.8L Vin K
JA: Are you fixing your Grand Prix yourself? What have you tried so far?
Customer: Yes Crank Cam ICM PCM
JA: Anything else you want the mechanic to know before I connect you?
Customer: Did compression test Spark test Injector test ohmed wires from all sensors to PCM and from VTD to PCM
Submitted: 16 days ago.
Category: Pontiac
Expert:  Mike S. replied 16 days ago.

Hi, I am Mike, welcome. I'm reviewing your question.

Expert:  Mike S. replied 16 days ago.

Does the fuel pump run when you first turn the key to run, for a few seconds, before you turn the key to start?

Customer: replied 15 days ago.
New fuel pump 59 PSI fuel pressure
Expert:  Mike S. replied 15 days ago.

What were the results of your spark test and fuel injector tests?

Customer: replied 15 days ago.
I have spark I have injector pulse I changed the cam the crank sensors and the icu and spark plugs. it seems to be scrambled . when I spray starter fluid in the throat of the intake it does not run.
Expert:  Mike S. replied 15 days ago.

Do you have a spark on each cylinder?

Expert:  Mike S. replied 15 days ago.

If you do have a spark on each, double-check the firing order which can be done by checking this diagram for the location on which coils feed what.

Customer: replied 14 days ago.
I've done that there where they belong
Expert:  Mike S. replied 14 days ago.

Do you have a spark on each cylinder?

Customer: replied 14 days ago.
Expert:  Mike S. replied 14 days ago.

Well, you have me stumped. All of the things are present that would prevent it from starting as far as I can tell.

I suppose I will opt out now and maybe another expert and an idea of something else to try.