Question about 1993 Ford Taurus

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One cylinder is missing

Trying to figure out which cylinder is miss firing

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  • Contributor
  • 9 Answers

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

chessmaster2
  • 160 Answers

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

  • 9 Answers

SOURCE: miss fire in cylinder 1 and 4

check the spark plug boot and make sure the wires going to your are tight and not damaged

Posted on Apr 27, 2009

autotherapis
  • 501 Answers

SOURCE: code says there is aa miss fire on cylinders 2 and

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

CarMech97
  • 427 Answers

SOURCE: 2002 escape miss fire on cylinder one

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

  • 4 Answers

SOURCE: has two cylinders that are miss fireing i changed

check distributer cap
check rotory button under dist cap
change ALL wires
change ALL sparkplugs

Posted on Dec 23, 2009

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these codes indicate there is a miss fire on cylinders 1 and 2 hence the 0301 and 0302 code the 1300 just indicates multiple engine miss fires. so anything that can cause these cylinders to miss fire need to be attended to in order to fix your problem.

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My 2004 chevy trailblazer is missing badly. Had them read the code for me at auto zone and it said I had a miss fire on the number one cylinder. I changed the plugs and it is still missing badly


Try moving the coil pack from cylinder 1 to another cylinder (swap locations) and see if the same code comes up. If code is different, then coil pack is bad. Other reasons for miss; bad injector, poor compression.
Also, I know you changed plugs already, but always use AC Delco 43-103 plugs on this vehicle.

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Cylinder miss fire. I have changed the plugs and whole coil pack bar. Can't figure out what is wrong.


a miss fire can be caused by a bad fuel injector or wiring to the fuel injector. Do a self test on the computer. turn key off-on, off-on, off-on. The codes with flash out in pairs on the check engine light, 5-5 being the end of the test. It may identify the problem cylinder. IF you do find a stuck injector you can try the redneck fix. Put a long socket extension on the injector and tap lightly with a hammer while the engine is running. TAP LIGHTLY!!! ITS ONLY PLASTIC!!!!! This may free up the injector. make sure spark is reaching the plug.

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My 1999 denali had a valve job. It had a miss prior to the work. After putting it all back together it still has a miss. I changed all the plugs wire and capotor. What could be causig the miss.


Are your injectors all firing and are your plugs firing on all cylinders?
If you have a miss, is it being picked up by the computer as a miss on a certain cylinder?

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Random cylinder misfire, you will need an OBDII Scanner with MODE 6 to see what the miss count is to help find the offending cylinder.

You may get lucky and get a P0301 though P0304 code to tell you which cyling but then you may not...

Then after you find the offending cylinder you will have to figure out why its running bad... Plug, coil, injector, compression or vavle problem.

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