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Author
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Topic: Code reading
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TrillaJay
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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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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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Blind
2.3L
CAFords OG
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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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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TrillaJay
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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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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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Ray94GT
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Member # 13285
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posted
check spark plug gap and coils or wires.
Posts: 119 | From: Hayward | Registered: Nov 2013
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Blind
2.3L
CAFords OG
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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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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hurting your feelings
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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.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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SacStangDriver
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Member # 8304
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posted
only three things cause a misfire. fuel/spark/compression.
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Need sidework done at great prices? I work on all makes and models from engine work to gears. Check engine light problems too. 916 912 3493
Posts: 1217 | From: sacramento | Registered: Mar 2008
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NK2186
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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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90 LX 5.0 - Stolen/stripped
89 LX 5.0 - Stolen and missing as of 7-24-13. LIC# 4HIP151 :(
99 Cobra
00 Exploder
Posts: 400 | From: Haystack | Registered: Aug 2012
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hurting your feelings
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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.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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TrillaJay
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Member # 10274
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posted
Pulled plug #4 out.
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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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TrillaJay
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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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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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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.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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