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Old 07-18-2009, 09:30 PM   #11
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Does anybody have any ideas for what is causing my rough idle.
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Old 07-18-2009, 10:14 PM   #12
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Do you have the oxygen sensor hooked up yet?
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Old 07-19-2009, 12:27 PM   #13
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Yes and it works great.
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Old 07-19-2009, 12:45 PM   #14
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(picking at details in your garage entries) EGR is hooked up? The valve is clean and closing properly?
Does it only idle rough when the car is in motion?
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Old 07-19-2009, 06:44 PM   #15
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When I am driving it doesn't really happen because I get a bit of rev hang at about 1100 rpm. When I stop at a light it will take a few seconds but when it gets to idle it starts running rough. I have the idle at 750 rpm. At stock idle it was too rough. The egr is connected. I cleaned it when I put the motor in in November. That's what puzzles me. The rev hang suggests a vacuum leak. Yet when I connect the timing light it kind of misfires because it won't show the timing marks every few go rounds or it's retarding. But it shouldn't retard with fixed timing. I checked the egr with my vacuum pump also. Also when Ipump my brakes it revs up and down.
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Old 07-23-2009, 09:27 PM   #16
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I found that I have a misfire in cylinder #1. I thought I would check the timing one last time. I sat the light down and noticed it was skipping every other second or so. I connected the #1 plug wire to the #2 cylinder and vice versa. It then didn't do it on either cylinder as much but still some. The value craft wires were not a good idea. The wire for cylinder 1 is loose and the inside of the hole on the dizzy for cylinder 1 is worn out. WHen I replace the cap and wires I'll give you guys an update. I'm going to the dealer this time.
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Old 07-23-2009, 09:38 PM   #17
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Quote:
Originally Posted by seeodywhy View Post
I'm going to the dealer this time.
NGK makes a decent set of wires, though they may only be a few bucks cheaper than the OE sumitomo wires, depending on where you get them.
NGK HE76: ~$46 through amazon
OE Sumitomo: $55-80, depending on dealer
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Old 07-23-2009, 10:31 PM   #18
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Thanks for the info. That's what i'll get.
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Old 07-24-2009, 07:14 AM   #19
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I've used Duralast wires for a long time and have never had issue with them. Plug wires is one of those things that spending big money on them doesn't get you much.

I think I paid $16 for the set on the Durango right now.
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Old 07-24-2009, 07:45 AM   #20
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Meh... I've heard enough horror stories about Autozone brand parts (electrical parts in particular) that I've opted to just avoid them all together.
Besides, the Duralast set is only about $5 cheaper at $39 + $2.34 MD sales tax.
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