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    98 TJ 4.0 running cold

    As the title says, 1998 Wrangler TJ 4.0 with manual transmission running cold in winter weather. Located in Watertown, NY this past week outside temperatures have been about 15 degrees F all week. TJ refuses to get up to normal operating temp and will just sit around 140, about halfway between...
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    Is 40 psi fuel pressure too low?

    1998, TJ, 4.0, 5spd. Have had some stumbling issues while driving recently, and have always had the long start issue, but always when hot. Always starts on first crank in the morning. bought a pressure tester and showed 40-42 psi while running hooked up to the serader valve. When rev'd psi...
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    Starting/Running Issues fuel pump?

    ****Started this post on some other forums and haven't gotten much feedback, hoping this site will provide me with some answers***** First let me apologize for another starting issue thread. However, I am looking to confirm that my suspicions of a bad fuel pump are the problem before I tackle...