T O P I C R E V I E W
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SL0BRA650
Member # 10274
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posted
Showing these codes on A 2002 v6 mustang. I just changed the spark plugs not too long ago, maybe 8k mi. What's yall opinions? Thank you.
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Blind
Member # 3052
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posted
vacuum leak or bad coil, start by trading the coil for number 4 to a different one.
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SL0BRA650
Member # 10274
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posted
quote: Originally posted by Blind: vacuum leak or bad coil, start by trading the coil for number 4 to a different one.
Thanks for your input, I forgot the mention that, I have replaced the coil packs when I replaced the spark plugs.
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Ray94GT
Member # 13285
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posted
check spark plug gap and coils or wires.
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Blind
Member # 3052
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posted
quote: Originally posted by SL0BRA650: quote: Originally posted by Blind: vacuum leak or bad coil, start by trading the coil for number 4 to a different one.
Thanks for your input, I forgot the mention that, I have replaced the coil packs when I replaced the spark plugs.
then it's a vacuum leak
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hurting your feelings
Member # 13641
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posted
quote: Originally posted by Blind: quote: Originally posted by SL0BRA650: quote: Originally posted by Blind: vacuum leak or bad coil, start by trading the coil for number 4 to a different one.
Thanks for your input, I forgot the mention that, I have replaced the coil packs when I replaced the spark plugs.
then it's a vacuum leak
Or a bad fuel injector ,or a burnt valve, or a leaking head gasket,or a cracked head.
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SacStangDriver
Member # 8304
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posted
only three things cause a misfire. fuel/spark/compression.
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NK2186
Member # 12319
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posted
quote: Originally posted by SacStangDriver: only three things cause a misfire. fuel/spark/compression.
yep
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hurting your feelings
Member # 13641
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posted
quote: Originally posted by SacStangDriver: only three things cause a misfire. fuel/spark/compression.
A vacuum leak can and will cause a misfire.
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SL0BRA650
Member # 10274
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posted
Pulled plug #4 out.
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SL0BRA650
Member # 10274
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posted
Got it diagnosed by a shop. Said that #4 fuel injector wasn't functioning. Changed the injector today. And codes still showing up for #4 misfire. Any thoughts? There is spark going towards the spark plug.
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hurting your feelings
Member # 13641
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posted
quote: Originally posted by SL0BRA650: Got it diagnosed by a shop. Said that #4 fuel injector wasn't functioning. Changed the injector today. And codes still showing up for #4 misfire. Any thoughts? There is spark going towards the spark plug.
Take it back to them a tell you will not take the car back in till the misfire is fixed.
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