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Problems for specific Chevrolet Impala years:

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Most reported Chevrolet Impala problems

 

Verified for the Chevrolet Impala

An engine oil leak may develop from the front crankshaft seal. Our technicians tell us a revised front crankshaft seal is available to correct this concern.

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Verified for the Chevrolet Impala

The fuel pump may fail causing engine to stall and not restart.

15 Reports
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Reported by rjohnson and 14 others for the Chevrolet Impala

turning on the key,the fuel gauge goes to full,back to empty,then back to full,an stays on full,is it the sender,an are there codes stored for this problem?

15 Reports
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Verified for the Chevrolet Impala

Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.

12 Reports
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Verified for the Chevrolet Impala

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

9 Reports
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Verified for the Chevrolet Impala

Flex fuel vehicles can develop fuel calibration issues resulting in illumination of the Check Engine Light and/or lack of power. This commonly occurs if only short trips are taken after changing fuel type from E85 to gasoline or gasoline to E85. In most cases, the fuel calibrations can be reset for gasoline using a properly equipped scan tool.

9 Reports
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Verified for the Chevrolet Impala

The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.

9 Reports
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Verified for the Chevrolet Impala

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

7 Reports
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Verified for the Chevrolet Impala

A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.

6 Reports
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Verified for the Chevrolet Impala

The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.

6 Reports
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Reported by pacrhat and 5 others for the Chevrolet Impala

DexCool antifreeze formed brown gel-like sludge, first observed at radiator cap. Supposed to last 100,000 miles. Lawsuit settled for cases where engine failed. Flushed system and replaced coolant. Keep air out of system by ensuring coolant reservoir always at proper level and check radiator periodically by removing cap.

6 Reports
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Reported by robinson2 and 4 others for the Chevrolet Impala

my car will stall for a couple of days before my service traction control message comes up and right after then my engine power is reduced message comes up i took my car to a shop they said my trottle body needed to be cleaned but it is still doing the same thing.

5 Reports
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Reported by pacrhat and 3 others for the Chevrolet Impala

Wiper arm came loose and would not turn during heavy snow storm. Fixed by pulling cap off nut holding arm down. Ensure arm in correct place and tighten down nut, then replace cap.

4 Reports
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Reported by randy78 and 3 others for the Chevrolet Impala

Wires broke on side of shifter. This part will fix it. GM #13583923 or acdelco #pt3923 around 20 bucks. It has 6 wires on it but all you have to do is cut 2 wires off that you dont need. It took me about an hour to fix this.

4 Reports
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Reported by trannyisshit and 3 others for the Chevrolet Impala

When go to take off it don't move then when it kicks in it jerks really hard scared the crap out of me. well I was told it will cost $1600 to $2500 to fix they said it was a sensor in the transmission I have only had the for a year bought it used and it is a piece of shit it seemed to run ok for a few but it didn't take long for it to act up I will not ever own an other one. I think there should be a recall on the tranny's after what I read th...

4 Reports
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