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Old 09-12-2012, 07:35 AM
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Rough idle and jerking while driving.

Hey peps, new to the forum. I have a 06 GC 3.7 4wd at 93000 miles. The problem with the idle is it seems to shake some what at stops while in gear, drive or reverse about 500-600 rpms. In neutral and park not so bad. The big problem is when coming from highway speeds (55-65)and coming to a complete stop it will do the rough for like 10 secs and dip down to 200-300 rpms wanting to stall. It does it every time I get off the highway. Has new plugs, air filter and fresh oil. Now the jerking only happens in first gear in traffic. When I press the gas sounds and feels like the drivtran jerks and clunks and it does it again when I let off the gas while still in first. Again it only happens in slow traffic. Check the motor and trans mounts they are all good. I'm T a lost on both things. Would be greatful for any advice.

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Old 09-12-2012, 08:10 AM
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Re: Rough idle and jerking while driving.

Any check engine lights?
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Old 09-12-2012, 08:16 AM
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No lights are on.

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Old 09-12-2012, 08:32 AM
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Re: Rough idle and jerking while driving.

what plugs did you use?
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Old 09-12-2012, 08:38 AM
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I used Bosch irdium plugs. The problems started before I changed the plugs. That's why I changed them .

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Old 09-14-2012, 06:25 AM
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The rpms are starting to dip down more often now to almost stalling. If anyone has any ideas what it might be, could use the advice.

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Old 09-21-2012, 05:58 AM
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So is there anyone who knows what it might be?

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