1997 Mercury Grand Marquis "engine miss" Questions

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Question about Mercury Grand Marquis

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...engine miss. I have a 1999 Marquis. I have heard the problem goes back to cylinder head design. Once the injectors are worn, the burn in the cylinder becomes less efficient, causing the miss. Just by ...

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Question about Mercury Grand Marquis

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miss fire on #3cyl. where is #3 located miss fire on #3cyl. where is #3 located 5.0 engine? What engine do you have?

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Question about Mercury Grand Marquis

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the engine misses I was told it was a coil . They usually cause a miss on these. It has eight of them. Do you have a check engine light on?

Question about Mercury Grand Marquis

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...miss-fire. If the engine light is flashing, do not drive it. Possible problems, Low fuel pressure, spark plugs, fuel injectors, mass air flow sensor, o2 sensors, bad head gasket or head, low ...

Question about Mercury Grand Marquis

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engine missing are low revs some times engine missing are low revs some times could be a number of things start off cheap spark plugs, wires if you have any next not so cheap coil packs connect ...

Question about Mercury Grand Marquis

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...and plugs changed, still missed. Last week, when I cranked car, it turned over, cranked, then engine lights and check engine light came on and engine shut down repeatedly. When tow truck got ...

Question about Mercury Grand Marquis

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hi, i started the car and the engine clunked and started running rough. i had a friend check the engine with a computer and the #1 cylinder was missing. i replaced the coilpack and now the spark plug ...

...engine lights come on. I am stumped for now. can't find miss, put in two sets of plugs in two weeks, cleaned boots from coils,checked injectors and cleaned the mass air sensor. no engine ...

Question about Mercury Grand Marquis

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...engine light comes on How many mi sense last tune up. If around 100,000 plugs and wires should be changed. If it has the the 4.6 they have 2 coil packs. These can short out. Also the EGR valve ...

Question about Mercury Grand Marquis

2 Answers

...items to the timing for wear? You only feel the miss at 60-75? Do you feel the miss when you take off from a stop sign? Do you have a check engine light on? You said you replaced coil? Some?

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