Why My 2002 ford crown Vic backfire loud?

Asked by GWayne 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
144,795

T_S_T answered 10 years ago

Did you install the plug wire,s correctly?

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63,145

BoholMark answered 10 years ago

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

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GWayne answered 10 years ago

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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