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» Northern California Ford Owners     » Automotive   » General Talk   » check engine light

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Author Topic: check engine light
9cobrasvt8
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Member # 11078

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My car keeps popping the check engine light for p0455, large leak, i cant figure out why, its a 1998 mustang gt, ive already replaced the gas cap and a few hoses, any suggestions?? Any help is appreciated [patriot]

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2013 Grabber blue coyote
1996 cobra
1996 gt h/c/i and gears
1998 cobra vert
1998 gt h/c/i
1997 gt blown

Posts: 1519 | From: under the hood | Registered: Jul 2011  |  :
stangfanatic87
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Large evap leak.. take it to a smog and repair shop. Have them perform a smoke test. Actual smoke will detect the leak. Sometimes that's the only way you can find the leak.
Also, Posting this in tech talk section will be more helpful.

[ 2013-05-30, 11:43 AM: Message edited by: stangfanatic87 ]

Posts: 127 | From: 510,CA | Registered: Apr 2013  |  :
9cobrasvt8
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Thanks bro, just posted in tech talk

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2013 Grabber blue coyote
1996 cobra
1996 gt h/c/i and gears
1998 cobra vert
1998 gt h/c/i
1997 gt blown

Posts: 1519 | From: under the hood | Registered: Jul 2011  |  :
coupedup
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quote:
Originally posted by 9cobrasvt8:
i cant figure out why, its a 1998 mustang gt

cuz its a 98 and 96-98 gt's are the worst mustangs ever created..

[burnout]

Posts: 4406 | From: Ca | Registered: May 2010  |  :
9cobrasvt8
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quote:
Originally posted by 5.SL0W:
quote:
Originally posted by 9cobrasvt8:
i cant figure out why, its a 1998 mustang gt

cuz its a 98 and 96-98 gt's are the worst mustangs ever created..

[burnout]

If thats the case then that would stand true for 99-04 as well considering they are pretty much the same except heads and manifold

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2013 Grabber blue coyote
1996 cobra
1996 gt h/c/i and gears
1998 cobra vert
1998 gt h/c/i
1997 gt blown

Posts: 1519 | From: under the hood | Registered: Jul 2011  |  :
06ragtopgt_SOS
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Have you tried spraying brake clean around hoses and gaskets?

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Lame ass 2006 3V GT. Low and slow, all bark, no bite.

Posts: 423 | From: 916 | Registered: Oct 2011  |  :
SacStangDriver
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quote:
Originally posted by 06ragtopgt_SOS:
Have you tried spraying brake clean around hoses and gaskets?

p0455 is an evap code it has nothing to do with vacuum leak unless a hose is cracked on evap line to the intake but then you would get the code p0174/p0171

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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  |  :
06ragtopgt_SOS
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Yeah my bad, I must have been distracted while reading. There's no way to tell without smoke testing. Do sn95 cars run a diag pump? I see these fail frequently where I work and flag a false leak, also a common one is fuel pump hat o rings, but like I said no way to tell without a smoke test.

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Lame ass 2006 3V GT. Low and slow, all bark, no bite.

Posts: 423 | From: 916 | Registered: Oct 2011  |  :


 
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