misfires but no code | Page 2 | Ford Thunderbird forum club group 1955-2005 models

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misfires but no code

  • Thread starter Thread starter dchamb
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I was looking at the Bosch Platinum but will check out the Iridium. The Platinum has the four prongs for the gap and spark transfer versus the one tab.
 
dchamb said:
my '02 misfires occasionally and produces associated odor. sometimes during normal acceleration, sometimes under load. other times it will give me a normal ride. completely unpredictable. it does not show "check engine" lite or set a code. you can hold brake and rev engine in "drive" and it will skip audiably (with magna-flo mufflers). over the yr.s i have changed several cop's as well as the 02 sensor. those times a code was set. any ideas? fuel pressure is normal.
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Check the coils, or a leaking valve cover gasket and oil getting on coils
That was my problem, fixed the oil leak and 2 coils, runs great again
 
Yes it did and it also was backfiring, turned out the fuel pump was overheating, tricky little thing , it finally blew a fuse, replaced it and put 5 gallons of gas in it it started and still did the same thing, missed so i had the pump replaced and it is doing fine, Good luck !!
 
OK, here is what I have done so far. Replaced the MAS, 8 coils and plugs and four oxygen sensors. Still miss, but NOW it throws codes. P 2195 and P 2197. What does this tell me to do next?
 
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