I pressurewashed the engine to my 2000 grand marquis and now it is running rough and idleing rough as well what do I do now

I pressurewashed the engine to my 2000 grand marquis and now it is running rough and idleing rough as well what do I do now 5 Answers

My car 2007 mercury grand marquis is running hot it used to cool down when pick up speed but now it goes hot and then shuts off???? 2 Answers

My 2007 mercury grand marquis is running hot it used to cool down when pick up speed but now it goes hot and then shuts off????

I have a 99 grand marquis. It ran a little rough, I thought it was missing a cylinder. Upon swapping coils i discovered one was bad and i replaced it. Now the car claims two are misfiring. Electrical? 1 Answer

The bad coil was at cylinder 5 and now 1 and 8 have misfire error codes. I can replace them all with spark plugs for 80 but i have a sinking feeling this wont solve the problem. I just purchased ...

I believe my LCM on my 2000 grand marquis is going out. Headlights and dash flicker on and off while driving and I have dealt with it for about a year in a half now due to how expensive it is! 7 Answers

Now my blinkers won't even come on I can only assume it's due to the LCM. Also it is making a clicking noise as it's always done but now even when the cars off and I believe it's killing my batter...

How do I start my 2000 mercury grand Marquis after changing the starter and alternator? 3 Answers

I recently had a alternator catch fire from the top by wires.. Changed wires that were damaged,alternator,and starter figuring that fire blew it out but still it won't start....also I was told i...