Why My 2002 ford crown Vic backfire loud?

Asked by Aug 18, 2014 at 10:34 PM about the 2002 Ford Crown Victoria Police Interceptor

Question type: Maintenance & Repair

I put in new pugs and new coils packs.

3 Answers

64,465

Did you install the plug wire,s correctly?

1 of 1 people found this helpful.
Best Answer
33,855

That's an ignition timing problem. Or your valves are burnt.

1 of 1 people found this helpful.

I will replace my manifold intake ,it does have cracks and replace sensors as well as my manifold gaskets ,gas filter,ect. thanks a lot man you are awesome.

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