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Jeep sometimes doesn't start/p0306

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Old 01-31-2013, 04:33 AM
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Default Jeep sometimes doesn't start/p0306

Hi everyone, the problem I am having could be caused by two different issues and I would love any assistance on these issues.

1. Jeep sometimes won't start...I'll start it from the house, let it warm up then drive it to the store and when I go to start it will not start and the only way to get her to start is if i wait OR shake the shifter.

2. I'm getting a P0306 check engine light code and I have a misfire sometimes on the 6th cylinder. I took it to a shop and they said it could need a valve job.

Any suggestions would be GREATLY appreciated! Thanks - Ryan
Old 01-31-2013, 07:07 AM
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Your no start problem sounds like you have a bad or dirty NSS (Neutral Safety Switch) Since you say that you have to move the shifter.
Old 01-31-2013, 07:35 AM
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Clean your NSS and change your spark plugs (champion coppers gapped to 0.35) will get you started cheaply.
Old 02-01-2013, 05:22 AM
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Thanks guys, i will try cleaning the nss and as for the misfire ive recently changed the spark plugs.
Old 02-01-2013, 06:08 AM
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Here's someone else having the same issue with P0306.

https://www.cherokeeforum.com/f2/p03...t-stop-159990/
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