Missing at low rmps??
#1
Missing at low rmps??
Hey guys I need some help, this little issue is driving me crazy! Ok I have a 94 bonneville SE with 144,000 miles on it and when ever I first start it, it misses a little and then smoothes out. When I am driving it will cut out at low rpms, or under a load up hill, or when I try to acclerate quickly. When I am driving like 70mph and I start up a hill it will start cutting out and I let off a little and then get back on it and it down shifts and continues up the hill ok.
So I have replaced plugs + wires, fuel filter, air filter, checked my coils, and ignition control mod., both came back fine. I replaced the fuel pump about 40,000 miles ago when I had a dirty strainer issue, I thought while I got the tank down replace the pump, so the fuel pump isn't that old. Also the car has been doing this for at least a year now! So that'* why I am thinking maybe something electrical that is cutting out under a load?? Any help would be great! Thanks
DON
So I have replaced plugs + wires, fuel filter, air filter, checked my coils, and ignition control mod., both came back fine. I replaced the fuel pump about 40,000 miles ago when I had a dirty strainer issue, I thought while I got the tank down replace the pump, so the fuel pump isn't that old. Also the car has been doing this for at least a year now! So that'* why I am thinking maybe something electrical that is cutting out under a load?? Any help would be great! Thanks
DON
#2
Junior Member
Posts like a Ricer Type-R
It'* not a fueling issue. You still have an ignition issue. I'd like to see you swap 3 good coils out of a donor car (borrow them if necessary).
I've had a coil that only failed when warm. Read fine when cold. And keep in mind, after driving like this for awhile, your plugs are fouled, and even if you fix the problem, you may still have the symptoms until you change the plugs again.
What brand of wires and plugs?
I've had a coil that only failed when warm. Read fine when cold. And keep in mind, after driving like this for awhile, your plugs are fouled, and even if you fix the problem, you may still have the symptoms until you change the plugs again.
What brand of wires and plugs?
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10-11-2004 10:13 AM