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My 2000 xj starts running really rough

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Old 05-18-2022 | 05:40 PM
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2000XJeep's Avatar
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Default My 2000 xj starts running really rough

I have a 2000 jeep cherokee with a 4.0 it been randomly starting to run real rough cant get over 45 bad accelation and rough idol. It'll run fine sometimes then after a while it'll start in. I've replaced the coil, put new copper spark plugs and just put on a different TPS. It keeps throwing P0353 code for coil, along with cylinder 3 and 4 misfire codes on occasion, and p1493 for ambient battery temp which may be unrelated? Ive not found any damaged wires coming from the coil. Can someone please help me?
Old 05-19-2022 | 05:17 AM
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Year: 2000
Model: Cherokee (XJ)
Engine: 4.0
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Originally Posted by 2000XJeep
Ive not found any damaged wires coming from the coil.
3-4 are sisters in the dual spark system. Check the continuity of the wires. If that's good, then IMO it's a coil driver or the C1 or C2 connector to the coil driver.


Last edited by Dave51; 05-19-2022 at 05:23 AM.
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