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2001 Chev Cavalier Malfunction - Fuel System
Question: When driving my 2001 cavalier (2.2L) at highway speeds (50-60mph)I am experiencing alot of missing and surging. Problem seems to come and go - bad for a while, then goes away for week or two before coming back. Replaced fuel filter, and plugs, no difference. Fuel pump? Plugged injectors? Please help!
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Technican: Hello, How many miles on this engine, please?
I often find a miss at highway speeds to be spark plug wires. Sometimes I'll find a tiny hole burned in a wire boot at one end or the other that allows spark to jump to the engine block or coil mount.
Is there any oil collecting around the spark plug holes in the head that might cause a short for spark?
Flushing injectors could help for preventive maintenance if you want to try that. However, at hiway speeds a lean burn misfire acts more like a cough or sputter than a miss.
Can you arrange a road test with a scanner connected so that you may monitor the ignition behavior while the condition is present? A GM TECH II Scanner will even have recorded the history for you to review even if the condition is not present.
Thoughts?
Technican: Hello, I'm hoping you'll update me on the status of your question.
Please advise.
Technican: Hello, Please let me hear from you.
Owner: My cavalier has about 80 000 km. Hasn't been acting up lately. If it comes back maybe I'll try changing the spark plug wires. I've been running quite a bit of injector cleaner through it. Just have to wait and see I guess. Frustrating though on a car with only 80 000 km, and it's been acting up for a while now. Basically just after warranty expired.
Technican: Well, I'm here if you need me. Here's How To Get Guaranteed Solutions In Minutes
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