SOURCE: engine knock 1999 ford crown vic
Are u using the recommended fuel ? if so try running a couple of cans of fuel injection upper cylinder cleaner through the system with the next few tanks of gas, try LUCAS brand, it is among the best, the next step is to have the engine de-carboned by the dealer, this works very well, you can also remove an octane selection jumper, it retards the timing 2 degrees, that will most times stop the ping.
SOURCE: 2005 Crown Vic Police Interceptor: Starts then stalls
Have you checked the fuel filter. Fuel pump will pressure up, but fuel filter could be clogged and not work without the pressure of the fuel pump.
SOURCE: door panel
Depends on what door trim you are trying to replace. If you are trying to replace the door trim on the front doors you need to remove two screws from behind the casing around the door handle and then remove a screw from the bottom left of the door and then there will be a screw on the left of the door as high as the arm rest on the door. Finally pull up on the door panel and out to remove the panel. Remove the harnesses and you are complete.
If you are trying to remove the rear doors you need to remove a screw from the bottom of the door again near the left side then remove the screw from behind the casing that surrounds the door handle. Finally pull up on the door panel and out to remove the panel. Remove the harnesses and you are complete.
SOURCE: Location of fuel pump relay on a 2001 Ford Crown Vic
where is the fuel pump relay on a 2001 crown vic p71
SOURCE: My 99 Crown Vic acts like it isn't getting gas
Was the fuel tank drained and flushed when the fuel pump was replaced? By this time it will have collected a lot of junk and gunk. Without cleaning the tank, the fuel pump will simply clog and stop working again.
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