Cylinder 7 misfire on my 2004 jeep cherokee

Asked by Jeepch04 May 02, 2018 at 09:01 PM about the 2001 Jeep Cherokee Limited 4-Door 4WD

Question type: Maintenance & Repair

So i have a 2004 jeep cherokee . It sounds loud.
Blowing white exhaust. And sputters when u reach
100 to 110 after passing this speed its fine. It tells
ne in the dash its a cylinder 7 misfire or p0307.
Hellllpppp what can this mean

4 Answers

Jeepch04 answered 6 years ago

So i would change the head gasket?sorry i should have mentioned im a woman with little knowledge of mechanics..

Mark helpful

GuruLZCCW answered 5 years ago

Hi there. What did it end up being? This is happening to my 2014 Jeep Grand Cherokee too

Mark helpful

Samantha answered 2 years ago

the code specifically is telling you that it is bad spark plug/wire/boot. i have the exact code reading and all you have to do is replace the plugs and boots/wires if necessary, best to just do all of them at once, all 8 plugs that is. just to be on the safe side. JUST SAYING.... anything else in regards to blowing white smoke wouldnt have anything to do with that code reading. id take it to a mechanic for that issue. but code P0307 misfire Cylinder 7 is EXACTLY the problem i stated above. CHANGE YOUR PLUGS AND WIRES

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