Question about 1993 Ford Taurus
Trying to figure out which cylinder is miss firing
Pull one plug wire at a time. And start it You will see no change in idle on bad cylinder.
Posted on Feb 26, 2013
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Posted on Jan 02, 2017
SOURCE: miss firing
could be a wire crossed, or it's out of time. since you used motorcraft plugs, did you set them properly to the correct gap? replacing plugs without gapping them can cause the sluggishness, out of time can cause the mis-fires and rough running.
Posted on Nov 29, 2008
Misfire is more often than not an indication of the need for a good tune up. before you start replacing fuel injectors etc, do the tune up. Do not buy cheep parts. It is a Ford, use motor craft parts. Or at least autolite plugs. If it call for platinum plugs don't put in the cheap ones. You usually only have to do one tune up every 100000 miles. so make it a good one. Before you tune it up, do the fuel injection cleaning. Clean out the intake behind the black tube. You can look in there and see the black carbon build up. Take some fuel injection cleaner in a spray can and use a soft cloth and reach in and clean that area. IF you can't do induction cleaning, run the car and slowly spray the fuel-injection cleaner while it is running at about 2000 RPM's Then replace your plugs and wires. IF you still have the misfire, and the odds are you won't, you then need to check the coil pack. Ohm out the six packs. This is a waist spark ignition so if you ohm across each set front to back you should get the same reading across the board. I wish I could give you a picture. There are two rows of three studs. you want to ohm between each of the three rows, Hope this helps.
Posted on Aug 17, 2009
power not reaching cylinder 1 ignition coil. check electrical connections and wiring for any damage. test for power and ground at cylinder 1.
hope this helps.
Posted on Oct 07, 2009
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