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1997 Other Mercury Models 97 Grand Marquis sudden power loss

 



Posted at Sat Nov 21, 2009 6:38 am
By davejojo, New to the forum
Give Feedback | Votes: 0
   
Engine Mechanical problem
1997 Other Mercury Models V8 Two Wheel Drive Automatic 130000 miles

Driving my 97 grand marquis home this evening on I-95. Upon accelerating it began to rumble and shake and seemed to lose power, check engine light flashing. I immediately pulled into a rest area parking lot where it stalled and would not start again. Called my insurance roadside assistance coverage. The tow truck guy said it sounded like a fuel pump from my description. He reached under with a metal bar and tapped on the gas tank while I cranked the engine. It started, so I elected to drive it the rest of the way home (30 miles). I drove 55 mph on cruise control but the engine didn't sound right; very noticeable pinging or tapping. The engine roughness continued but got more noticeable going up an incline and less noticeable going down. Near home I noticed the oil press. gauge wasn't registering-at all. So when I got home I checked the dipstick and it was right on the money as was the coolant level. Fuel gauge read about 1/4 tank. Turned the key to see if it would start; it did.
I checked the diag. code on my scanner and got "Misfire in cylinder no. 4". I started the engine this morning ok in my driveway and listened to the engine. At idle and with revving there is noticeable tapping or pinging.
Any ideas?
 
Find a car repair manual for your Other Mercury Models.

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