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I got a plug miss firing on each of the 3 coils, after changing the plugs and plug wires i still have the problem, am i correct in thinking that all 3 coils are bad, i just though if the coil was bad both plugs would miss fire on that coil.
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sounds more like the module -
Try the Buy/Sell Forum Here...and if nobody else has ion 60DegreeV6.com (Besides the "Stealerships")... Then you might have a look at this...Originally posted by Superdave View Post
(Not sure if this works in your year vehicle)
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that's a module from a 3500, it won't work on his 3100.Originally posted by 60dgrzbelow0 View Post
He needs the standard ICM used on all 60v6's from 87 to 2004 (3400, 3100, 3.4, 3.1, 2.
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I have a spare but it's been overheated by some MSD coils, i have no idea if it's still good.Comment
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module
thanks for the replies guys, changed the modue with a known good one, still got the problem, got missing after startup for about a quarter mile, then everything is good until i go wot and more misses.Comment
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Check wiring to the ICM then. Could be a Crank sensor starting to go, or a short in the wiring from the CPS to the ICM causing erroneous signals to the ICM.-Brad-
89 Mustang : Future 60V6 Power
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Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blogComment
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o2 sensor
as i said earlier i have a intermitted miss problen, tried everything i could think off, new wires ,plugs, check wiring harness, new crank sensor , just a guess,took to to the garage had the good snap on scanner hooked to it, couldn't find anything, coils and module good, out of ideas, question, i put a upstream o2 in the downstream will that work, i'm now getting a c140 code no action maybe that answered the question, the only light i get is a miss fire light, starting this morning it started stalling when slowing down for a stop light. i'm open to any idea. thanksComment
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take off the plenum and smack around your injectors with a screwdriver, then run some good injector cleaner through it..
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