Possible fuel pump issue - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 6 (permalink) Old 04-10-2019, 03:16 AM Thread Starter
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Join Date: Sep 2018
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Possible fuel pump issue

So my jeep is bucking like it's running out of gas when I'm driving up hill basically anytime I'm casually on the throttle it will do it. If I throttle a little more it'll stop. Any suggestions? I have 2 cel codes for bank 2 I have the 02 sensors but don't think that's the issue the lights have been on since I've owned it I'm finally getting around to getting all the issues worked out.
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post #2 of 6 (permalink) Old 04-10-2019, 05:11 PM
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Join Date: Oct 2017
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Does it happen in all gears or just in OD? It might be your torque converter if so...
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post #3 of 6 (permalink) Old 04-10-2019, 05:38 PM Thread Starter
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Join Date: Sep 2018
Location: Ozark, Missouri
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4WD
If 4WD - system: QT-II
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I believe overdrive as soon as I press the accelerator it usually down shifts an is fine I dont notice it in town
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post #4 of 6 (permalink) Old 04-13-2019, 12:55 PM Thread Starter
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Join Date: Sep 2018
Location: Ozark, Missouri
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If 4WD - system: QT-II
Current Mileage: 177545
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So yea its 5th only that bucks if I kick the shifter into 4th it doesn't do it.
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post #5 of 6 (permalink) Old 04-16-2019, 06:00 PM
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Sounds like the usual EGR Valve issue. Is it not getting gas? I was having a lag every now and then when pushing down the gas after a start.
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post #6 of 6 (permalink) Old 04-16-2019, 06:01 PM Thread Starter
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Join Date: Sep 2018
Location: Ozark, Missouri
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4WD
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Current Mileage: 177545
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So yea it was cylinder 4 and 7 the spark plugs were shot had multiple misfire but only under a load. So changed my plugs and no issues so far. You'd vomit if you seen these plugs looked like I pulled em out of the river.
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