Cylinder 1 Misfire

Asked by Oct 11, 2016 at 04:23 PM about the 2010 Jeep Liberty Sport 4WD

Question type: Maintenance & Repair

So this problem occurred roughly 3 weeks ago after an oil change
(probably unrelated). My Liberty is right at approx 80,000 miles. When I hit
45-50mph or 65-70mph the car will start to "jerk/hiccup". This is usually
remedied by taking my foot off the gas and then reapplying my foot to the
gas pedal but as of late that has not really been helping. I read the error
code and it is showing as a cylinder 1 misfire. I am planning on replacing
the spark plug and cylinder coil today, but if the problem persists I wanted
to see what other solutions people may have come up with on their own.
Thanks!

1 Answer

42,035

Move the coil and plug to another cylinder to see if the miss moves. It could also be the fuel injector.

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