Question about 2004 Chevrolet Impala
It all started a month ago, hesitating poor fuel economy. replaced plugs and oil. solved problem temperarily but it slowly came back.
replacing coil pack tomorrow, hopfully solve problem.
Why or how did you determine 5 is being evil? Check for any vacuum leaks, any air leaks in the intake ducting, and chab=nge the MAF sensor. All will affwct the air fuel ratio. _ good luck, Ned
Posted on Jun 15, 2009
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Posted on Jan 02, 2017
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