Having problems with your 2002 Mercury Grand Marquis ?
Engine starts but immediately stops unless accelerator is depressed
4.6L OHC V-8
Have you checked the fuel pressure to the engine? Check your fuel components. Check fuel pump fuse or relay, check the fuel filter. Engine pressure check will let you know if it is a fuel problem. It could be the fuel injectors. If it is not fuel, it could be plugs and wires/coils.
Repair Help & Product Troubleshooting for 2002 Mercury Grand Marquis
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