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  1. 1998 Jeep Wrangler TJ 4.0L Engine Issues - Jeep Enthusiast Forums

    Sep 23, 2023 · The Jeep is a 1998 Jeep Wrangler (TJ) Sahara, with the original 4.0L and a 5sp M/T with 252,050 mi Had a pesky random misfire code for a LONG time and finally traced it …

  2. The Definitive Blower Motor blown/melted... - Jeep Enthusiast …

    Jul 10, 2008 · Heater motor Fix. The problem: Blown heater motor resister, melted speed switch, melted wires in steering column The Fix: Adding relays in the heater circuit. You will also need …

  3. 1998 TJ Wrangler Antifreeze type. - Jeep Enthusiast Forums

    Dec 9, 2019 · Hello and thanks for your assistance in advance. I have looked all over for the type of antifreeze I should put in my 1998 Jeep Wrangler 4.0 with no success. The owners manual …

  4. Early Signs Of PCM Failure - Jeep Enthusiast Forums

    Dec 27, 2021 · I wrote this a while back. Thought it may be helpful: I tried to put together a chronological listing of Early signs of PCM Failure: 1. Tachometer will be erratic at Stop signs …

  5. Headlights Will Not Turn On [1998 TJ Wrangler] - Jeep Enthusiast …

    Jan 21, 2025 · Well my bro -in law has a 1998 wrangler its a 5spd v6 i believe, but that should affect the headlight issue. Here is the problem Every single light turns on in the car and on the …

  6. How Reliable is the 2.5L Engine? - Jeep Enthusiast Forums

    Dec 22, 2009 · On advantage to a jeep that had the iron duke was it was the same 90 degree bolt pattern of a GM 4.3, and other V8 smallblocks. If you have a T-4 or T-5 transmission, a 81 or …

  7. Where's the camshaft position sensor and how to replace it? | Jeep ...

    Oct 2, 2009 · Hey guys my Jeep has been studdering in takeoff off and on for a week or so. Then the other day it barely would stay running sounded like the valves were rattling it was loud. …

  8. where is the fuel filter on my 98 TJ? - Jeep Enthusiast Forums

    Aug 26, 2007 · Where is the fuel filter on my 1998 TJ 4.0L 6cyl? I am finding conflicting comments on the board . some say it is in the fuel tank and others say it is...

  9. 2.5L Performance Mods That Work - Jeep Enthusiast Forums

    Apr 23, 2012 · This one will stay on my Jeep because it didn't hurt and very slightly helps. I will concede that the fuel economy gains and smoother idle may only be the result of the new cap, …

  10. 4 cyl on 1997-1998 Good or Bad | Jeep Enthusiast Forums

    Mar 17, 2006 · 2002 Wide Glide, for those really nice days! 1998 XJ, 4" Superlift, 31X10.5 A/T's on Micki Thompson Classis II rims. Soon to be for sale. Traded - 2003 Rubicon, 4.5" RE …