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Help 2007 Impala Check Engine Light

5K views 12 replies 6 participants last post by  auntjemima 
#1 ·
I have a 2007ImpalaLs, 3.5L with just over 120,000 miles on it. I just replaced the sparkplugs, filters and wires. Despite that the check engine light just came back on after replacing those parts about 3 weeks ago. I was told there is a slight misfire in the 5th cylinder aswell, but its very slight and you only feel it in idle.Any suggestions?
 
#7 ·
Torque app is great. Reads codes. Checks your pressure from throttle or barometric. Intake reading. Gas percentage. Clear codes. Rev limit. O2 sensor banks with readings. It does a lot. Havnt tried the pro version.
 
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