changed the IAC valve in a 2001 Mercury Grand Marquis and the check engine light came on. what would cause this. Thanks so much for your help.

changed the IAC valve in a 2001 Mercury Grand Marquis and the check engine light came on. what would cause this. Thanks so much for your help. 1 Answer

I have a 1999 Mercury Grand Marquis My headlights, turn signals, hazard flashers, dash lights, and dome light quit working, What could be the cause of this? 5 Answers

I have a 1999 Mercury Grand Marquis, My headlights, turn signals, hazard flashers, dash lights and inside dome light quit working, What could be the cause of this problem?

What can be the cause for engine coolant leakage on my 1987 Mercury Grand Marquis ? 5 Answers

My '87 Mercury Grand Marquis is loosing some engine coolant. There are 2 water spots on the floor - one in the front located near the water pump, the other behnd the engine. Can' t locate where the co...

Replaced the IAC valve now it wont start 2 Answers

I have a 2001 mercury grand marquis and I replaced the IAC valve now it turns over but won't start. What should I do now? I'm stumped.

on my 200 Mercury Grand Marquis GS the fuse keeps bowling and the peace that connect to the coil pack burnt in the inside changed one it cracked the first one fuse 7 keeps blowing 2 Answers

in a 2000 Mercury Grand Marquis GS 4.6 what can cause see you 7 to constantly blow while driving or cranking the car and can cause only one compact connector to burn on the inside of the connector...