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03-28-2008, 02:05 AM
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#1 (permalink) |
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Junior Member
Join Date: Mar 2008
Posts: 1
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1991 lx mustang
I just bought a 1991 LX mustang 4-cyl auto and after warm-up the check engine light comes on and the moter starts to run rough, the guy replaced the ignition module any buddy have an idea what it could be? toddolson45@yahoo.com
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03-28-2008, 07:25 AM
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#2 (permalink) |
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Administrator
Join Date: Sep 2004
Location: Orlando,Florida
Posts: 7,148
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I would lean towards the EGR as it only opens once the car is warmed up. And it will do that to your idle when its bad.
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Dustin 2002 GT Mustang 5-Speed Drag Radials,Sprayed,Powershifted   WOOO HOOOO! |
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03-28-2008, 10:58 AM
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#3 (permalink) |
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Senior Member
Join Date: Nov 2004
Location: Baltimore
Posts: 575
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Could be o2 as well
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 2003 10th Anniversary Cobra Convertible All Stock and staying that way... well maybe some pipes since it's so quiet..ahhhh! it's a sickness 1995 mustang GT vert - all black (almost back together) |
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