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#1
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Coil problem?
I drive a 1992 Chevy Cavalier with close to 170,000 miles on it.
About a month ago I noticed a decrease in gas mileage and the car started running rough. When I start it is feels kind of rumbly and there is a smell of gas. As I start driving it is still rumbly as I accelerate and I smell the gas when I stop. Then I get on the highway and my acceleration is decreased as I try to get up to speed. I finally get up to speed let my foot of a little and the car rattles/rumbles. If I push the accelerator past a certain point the car stops rumbling and surges. I let off and the rumbling returns. If I maintain a constant speed the car seems to settle into an almost normal mood. (The rumbling isn't as noticeable and the rpms settle around 2500.) The shifting seems to be a little off during accelration I let off the gas to shift and sometimes it will downshift again and surge. The rpms during are riding around 3000+ when I do accelerate. My dad thinks it is the coil. What do you think? Respond to either email or here, Thanks! |
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#2
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Coil problem?
Lots of Dads automatically diagnose problem like this as a coil
failure, but why not tell us what engine you have in the Cavalier. There are many things that can cause this sort of symptom, and you really don't want to start throwing parts at the car. It gets too expensive. |
#3
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Coil problem?
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#4
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Coil problem?
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#5
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Coil problem?
"Kaz Kylheku" > wrote in message > What difference does it make. Those general problems that he described > could happen in the V6 or the straight 4. What difference indeed. All engines are just the same, huh;>) But, we agree that he needs to diagnose, not just change out parts. |
#6
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Coil problem?
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#7
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Coil problem?
I think checking the fuel pressure regulator was a good idea.
Bill jlk_2005 wrote: > We took it to a mechanic and told him we thought it was the catalytic > converter.... so he took it out.(He isn't a very good mechanic and he > doesn't make any judgments on his own he just does what you say and > doesn't check anything so we are looking for a new one) So currently it > has a pipe replacing it. It didn't make a big difference in the > condition it drives. I don't have a cat anymore. Anything else? > |
#8
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Coil problem?
"Bill" > wrote in message ... > I think checking the fuel pressure regulator was a good idea. > Bill So do I. It might be a good idea to check the individual injectors to be sure that they are sealed and working as they should. One last thought... do a compression check. See what condition your valves are in. |
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