1999 Ford Escort Escort occasionally running on 3 cylinders

Tiny
TIMMA1
  • MEMBER
  • 1999 FORD ESCORT
  • 4 CYL
  • FWD
  • MANUAL
  • 130,000 MILES
The first time it happened was a year ago, and it chewed up a spark plug pretty bad. My mechanic switched the fuel injectors around and replaced the plugs and it ran fine for almost a year. Recently it started acting up again - I replaced the gas filter yesterday which was very gunked up. Now it idles better and has a lot more power, but a cylinder cut out 3 times on the way to work this morning - my thoughts are there still could be stuff in the gas line from removing the old filter, bad injector, or the coil. The plug wires are new as are the plugs. This time none of the plugs were damaged and looked fine Any other ideas or thoughts would be greatly appreciated!
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Tuesday, August 19th, 2008 AT 10:57 AM

5 Replies

Tiny
RASMATAZ
  • MEMBER
Do you have a check engine light?

Cylinder misfiring-Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Tuesday, August 19th, 2008 AT 3:56 PM
Tiny
LINDAJESSIE
  • MEMBER
First thing you should be doing is going to autozone and having the codes read, its free. I have a 97 escort and had the same problem. The codes I got were cylinder misfire 2 + 3. Start at the spark plugs and work your way backward, usually you wont find a problem with the wires unless they have been resting on the metal which can cause a short, the coil pack is what was my problem both times, I have replaced 2 coil packs, (about $50.- A piece, )
the wires were fine and changed the spark plugs just for the fact that they got all gunk out because of no spark. The coil pack is so easy to do, four screws, and a connector plug, it sits on top of your engine. I hope you have a book for your car, if not ask at autozone for a diagram. Thats where I would start. If it is left to run on less than your 4 cylinders (3 or 2) for too long it could cause some serious damage, so good luck. These cars are great once you get to know what they need. Hope it works out for you. Let us know how it goes.
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Tuesday, August 19th, 2008 AT 4:38 PM
Tiny
TIMMA1
  • MEMBER
I now have a new coil, new plug wires, new plugs, and a new gas filter and it hasn't fixed the problem. In fact, I think it's worse. My mechanic pulled the connections on each of the injectors yesterday and they all appear to be working - what else could it be?
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Wednesday, August 27th, 2008 AT 6:41 AM
Tiny
RASMATAZ
  • MEMBER
Have your mechanic scan the computer for code/s-nothing shows up-check engine compression and fuel pressure.
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Wednesday, August 27th, 2008 AT 2:23 PM
Tiny
TIMMA1
  • MEMBER
Well the verdict is in - upon start-up yesterday the engine sounded like a lawnmower on a rock. Mechanic thinks probably the piston is gone.
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Friday, August 29th, 2008 AT 7:15 AM

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