p0353 and p0352 codes - Ford Mustang Forum
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post #1 of 3 (permalink) Old 08-29-2010 Thread Starter
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Location: Bartow
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p0353 and p0352 codes

i keep getting these on my 05 gt every time i drive.it is like its not firing in those two cylinders when i ease on the gas.it also has rough idle.i have swap coils and spark plugs to other locations but the problem still exists in the 2nd and 3rd cylinder.once i get to 60 mph the stumbling stops as long as i stay at the same speed.i even changed fuel filter and moved the fuel injectors to other locations.the other locations dont have the problems.need your help please.also i tested the spark plugs and they fired ok.could my ecu be sending bad signals to those two cylinders.btw the car has 38000 miles,jlt cold air.steeda udp and a sct 91 oct tune.thanks for any help.

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post #2 of 3 (permalink) Old 08-29-2010
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You definitely have a firing issue in #2 and #3. Possible PCM connector issue, wiring harness, or spark gap problem. Or... The PCM could be taking a dump.

1965 Mustang Coupe
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post #3 of 3 (permalink) Old 08-29-2010 Thread Starter
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Location: Bartow
Posts: 18
thanks for the reply.i forgot to mention that i have used the search function on this subject before i posted and tried the suggestions without results.thanks again.
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