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Rough idle smooth top end?

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Offline kelly mt

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Rough idle smooth top end?
« on: August 23, 2012, 04:51:52 PM »
My '87 Samurai has started idling rough like with a miss. When I rev it up even a little it miss goes away. It has plenty of power(for a 1.3) and runs smooth at road speeds. Any Ideas? Thanks PK.

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Offline Drone637

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Re: Rough idle smooth top end?
« Reply #1 on: August 30, 2012, 03:06:28 PM »
I would check all the vacuum lines first.  Those things always cause headaches. 
96 Geo Tracker, x-SJ-410,  x-White Rabbit, x-Project Trouble
Crawlers NorthWest
x-Trouble Racing

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Offline mrfuelish

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Re: Rough idle smooth top end?
« Reply #2 on: August 30, 2012, 10:13:15 PM »
I had that happen to mine last week and I pulled the plugs and one of the spark plugs had a crack in the area around the electrode, that is the second one I have seen this year, I think the new gas runs hotter than it should!
1987,1988,1988,1990 samurai's,  1953 m38a1,  1996 x-90,blue.1996 x-90 red.1994 2 door tracker.   only Dead Fish go with the flow.                No Hairy Nosed Wombats were ran over on the trail today.       My ZUK is Xenophobic.