Question about 1997 Ford Windstar
Engine runs very rough pulled wire off for that cylinder and engine will smooth out. changed plugs wires fuel injector and coil pack no help
I would want to know if you have normal compression on all 6 cylinders, and if the other 5 are firing correctly.
Usually when you pull a wire and the engine smooths out, you have another cylinder miss going on at the same time.
How many trouble codes do you have in the computer ?
Posted on May 03, 2013
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Posted on Jan 02, 2017
SOURCE: ford f350 6.0L Turbo runs rough
Still sounds like there is a fuel issue. I would check the obvious. Check the Air filter and fuel filter and water seperator. Debris could have gotten into the new injector, which also could have upset the other injector. Get the exact code from the dealer your truck experianced.
Posted on Oct 18, 2008
It could be carbon deposits on valve seats keeping valves from totally closing. You can try getting you a can of motorcraft PM3 top end engine cleaner and get engine up to operating temp then remove one of the small vacuum lines from the intake and draw the contents of the can slowly into the engine.After you have drawn in the contents shut engine off and let it soak for about 45 minutes then crank it back up and let it run until it clears. Now it will smoke like a forrest fire while you are doing this so don't be alarmed,just tell the neighbors you are spraying for mosqitos.This may cure the problem. If not you may be looking at a valve job.
This can be verified with a compression test if this is what is causing it.
Posted on Feb 05, 2009
SOURCE: rough running, erratic spark
Run a compression test on the cylinders.If reading is low on any drop a little engine oil into the pot. If compression rises you have compession ring problems. Remove all plugs before you try this and place leads away from engine.
Posted on Mar 04, 2009
I have a 1999 ford escort 2.0, its got a miss on cylinder 3 and 4. I changed the wires and the coil pack but its still missing. When scanned I get code p1506, p0303 and p0304
Posted on Jan 11, 2010
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