Check Engine Light On HELP!
100

Asked by aj7881 Feb 11, 2014 at 12:31 PM about the 2011 Jeep Grand Cherokee Laredo

Question type: Maintenance & Repair

So the other day my CEL came on and I
went to auto zone to get it read. What it
came back as was a P0302 code stating
that I was having a misfire of cylinder 2,
which could of been caused by a bad
fuel injector, spark plugs, vent leak, etc...I
don't have the money to pay someone to
fix this right now, and I like to do things
my self, but don't have much car
experience under the hood. An I don't
wanna pay a bunch if all it is is spark
plugs I could do my self. Anyone got any
knowledge into this situation? Please
help!

2011 Jeep Grand Cherokee Laredo 72k

3 Answers
20,015

thejeepdoctor answered 10 years ago

I would pull a plug and see how worn out it is. Use NGK plugs. Is it kinda jerking or is it a dead miss?

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100

aj7881 answered 10 years ago

Thank you for the response. I do not know where to start looking. Its kinda jerking but is smooth as well. It seems like I am losing gas faster as well. My Eco light is not either. Any suggestions?

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