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Discussion Starter · #1 ·
I have been having trouble with my Jeep since I bought it. When I first start it, it will idle all over the place from 500-2000rpm.
If I drive it when I first start it when I press on the gas the rpm will drop extremely low and then shoot up to where they should be. After having this issue for about a week my CEL came on readind code p0121. It will run pretty good after a few minutes of warming up but even then will occasionaly sputter and backfire while giving it gas. PLEASE HELP!

1997 Jeep TJ SE
 
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