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xj runs rough at idle and.........

roxj

NAXJA Forum User
its a 4.0 auto and runs rough at idle but ok under acceleration , also the exhaust manifold heats up and actually gets red hot. any ideas what could be causing this? the exhaust isnt restricted anywhere behind the manifold. tested all the sensors and they check out good.
 
checked the timing , and i reindexed the distributor but it didnt help. it doesnt have a cat , i cut it off cus thats what i thought it was at first.

thanks
 
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