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Old 01-05-2014, 02:28 PM
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95 yj, 4.0

Start up in the morining cold runs ruff and back fires until it warms up. Change oxg sensor, cat conver . New at jeep troubleshooting help

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Old 01-05-2014, 03:07 PM   #2
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Pull the codes with the "key trick" and see what you come up with.

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Old 01-05-2014, 06:43 PM
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What codes and key trick please explain
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Old 01-05-2014, 07:25 PM   #4
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