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6.8
fairly significant- Typical Repair Cost:
- No data
- Average Mileage:
- 91,400 miles
- Total Complaints:
- 5 complaints
Most Common Solutions:
- not sure (5 reports)
engine problem
Helpful websites
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A D V E R T I S E M E N T S
I have a 2000 Chevy impala LS and it does two different things where i have to go by to figure out whats wrong with it. First, the car starts up fine but if i don't give the engine a little rev then the rpm's will start to jump up and down and the engine starts to choke out and eventually stall out after about 10 seconds of doing this. Second, car runs fine for the first 5 minutes but after it warms up car seems to have very poor acceleration power, example, driving with gas pedal half way down the rpm's will reach about 2,000-2,500 then all of a sudden just drop back down to 1,000. Basically unless i have the gas pedal full throttle, the car doesn't hold its rpms. I have so far changed the spark plugs, spark plug wires, fuel filter, electric fuel pump, catalytic converter, got the leak in the exhaust pipe fixed, tried spraying the throttle body with cleaner and got the fuel injectors cleaned. The check engine light use to come on and say cylinder misfire but after i did all this work it has not misfired ever again but still has the same problems of choking out and not holding rpm's. I'm not a mechanic but does anyone have any clue as to what is wrong with my car? thanks
- jfederico, Medford, MA, US