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Old 12-29-2013, 08:43 PM   #1
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Starting and running problems

I am a newbie on this forum though I have had the pleasure of reading many informative posts in the past. I need help.
I own a 1997, 4.0L, 6 cyl, Manual Jeep Wrangler Sport.

I have a good battery, new distributor cap, new rotor, new plugs, new wires, new Crankshaft Position Sensor, new Coolant Temperature Sensor, new fuel filter. Fuel pump runs with the key in the on position and does not stop.

Fuses good, relays good and check engine light goes off. The gauges do not move at all when initially cycling the key to the on position or trying to start. The engine turns over very strong if I turn key all the way but would not start.

This continues to happen until I cycle the key in the ignition (not cranking the engine) for nearly five minutes sometimes, then the gauges move, spark builds and the engine starts after a further five or so times of cycling the key in the ignition with the gauges now moving all the time. If I leave it to idle it idles smoothly then it starts to get erratic and smoke as if the combustion is gone wrong, then does smooth again, then acts up. This pattern continues.

When I do drive it after getting it started it runs well then splutters, misses, chokes, backfires, then it runs good again then shortly after it chokes and misses again and continues this pattern. If I shut down it starts with short cycling of the key soon after but if I let it cool down I have to cycle the key much more times to get the gauges moving and to get it started again.
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Old 12-29-2013, 08:49 PM   #2
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Because this is the newbie check-in area, you may not get the answers you are looking for. I suggest you check out this forum area and post your questions there, I think you'll get a better response.

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Old 12-29-2013, 09:20 PM   #3
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Old 12-30-2013, 04:56 AM   #4
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Old 12-31-2013, 11:53 AM   #5
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