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Engine Missing and running rich

Tiny
CITYGUY1155
  • MEMBER
  • PONTIAC GRAND AM
I have 1995 Grand Am with a quad 4 engine. It has 110'000 miles on it. A few months ago I replaced the coils, plugs and the coil housing. It was running great. The other day it started to miss and run rough. I checked the plugs and they are burning black. You can also smell gas like it is loading up. IA few people told me it could be the egr valve or the pressure regulator putting to much fuel into the cylinders any ideas would be great.
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Tuesday, October 9th, 2007 AT 5:37 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Good place to start
Fuel pressure regulator and the EGR
Put do you have check engine light on
that will help you pin point the area if you can get the codes
good luck
let us know
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Tuesday, October 9th, 2007 AT 7:11 PM

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