Im still puzzled???

155

Asked by Apr 14, 2012 at 10:50 AM about the 1997 Chevrolet Camaro RS

Question type: Maintenance & Repair

Ok heres the story ... 97 rs camaro 3.8 rats
chewed thru 2 injector wires they have been
sldered back together.... 3 new bwd select
coils.... New wires 2 times ..... New bosche
plus4 plugs ..... New ignition module..... New
egr valve... Still getting a fuel air mixture code
occasionally followed by a random missfire car
runs good has plenty of power just idles ruff.
Anyone used these plugs and had bad results
have been told they are not good for the gm
3.8 any suggestions on what else it could be.
Havent changed crank sensor as i cant get
balancer bolt loose in at a loss here.

5 Answers

1,245

I have had intermittent misfires from bosch plugs several times.

155

What plug did you go with? And did that solve misfire issue?

1,245

Switched to AC delco plugs and it did take care of a misfire issue I was having. You may have other issues with air fuel ratio codes.

1 out of 1 people think this is helpful.
155

Im thinking the fuel air is caused by misfire fuel not burning in cyl so o2 sensors picking it up quicker than misfire sensors... Ill try ac plugs see if that works. Thanks.

1,245

Have you lookEd at you fuel pressure regulator. I have had a few bad ones. Fuel normally leaks into vacuum line

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