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2010 Chevrolet Impala LS 4dr Sedan

2010 Chevrolet Impala
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
18 mpg city / 29 mpg hwy
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February 23, 2013, 4:53 am

Sarah J
 

Question: spark plug issues

my car started acting up with a check engine light, i took it to auto zone. they hooked it up and it said misfire on 1,4,6. i change all the spark plugs, wires, and i got all new coil packs. but it is still driving rough.


February 25, 2013, 3:33 pm

Elizabeth K
Expert Mechanic

Here is some info on what to check:
http://www.2carpros.com/articles/engine-misfires-or-runs-rough


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