Questions & Answers for: grand marquis egr problems

...Grand Marquis Check Engine Light Code 332 What is the problem when Code 332 Check Engine Light comes on for a 1994 Mercury Grand Marquis? Is there a list of all codes and reasons for this model car? ...

Grand Marquis starts up fine,but if i try to drive off,it barely goes 10mph.Also starts backfiring..simply can't/wont rev up past idle speed (which runs really smooth) ..once it warms up,then it seems

...Grand Marquis DPFE and CLEN EGR Ports This is the recommendation we received from a dealership to repair the CHECK ENGINE light. They are quoting $430.00. Seems outrageous. Please advise. Thank you, ...

...Grand Marquis 5.0 How do I remove an Injector? 1990 Grand Marquis 5.0 How do I remove an injector? Specifically #8. This is the third one I have found that #8 cylinder starts to foul the plug. On the ...

...Grand Marquis GS runs Rough when cold When I start my 1998 Mercury Grand Marquis from a cold start (it has a 4.6L V8 in it) it runs really rough and spits and studders until it warmes up and gets ...

...grand marquis egr not functioning and did not pass smog test in southern california The most common problem for your car with that condition is plugged ports where the egr feeds into the intake. You ...

replacing egr So what is the problem. I've never has a EGR valve bad on these cars. Do you have trouble codes? what is the complaint?

67000 miles and all of a sudden the check engine light came on, no problem with the coolent, battery is fine, and it runs smooth no problem so why is it on? Have it checked at autozone, They do it ...

...Marquis. The check engine light came on so I had it checked by a parts store. The vacum switch for the EGR showed bad. I replaced it but the light is still on. and scan shows no other problem. How do ...

...grand marquis is using more gas than normal. auto zone read out listed codes p1132 & p1152 and indicated several probable causes for p1132 -1. leaking fuel injector bank 1, and 2. EGR stuck open. ...