Jackaroo rough idle

Submitted: Friday, Mar 04, 2005 at 21:57
ThreadID: 20967 Views:5019 Replies:3 FollowUps:2
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Have had the usual Jackeroo diesel engine issues. My Jackeroo Diesel Auto 2001 developed a rough idle. Whent through the injector seal and sleeve issue twice - first time done badly by Holden resulted in diesel getting in the sump oil. Job re done at another Holden dealer and fixed. Rough idle still there. More trips to Holden eventually found inlet manifold with alot of carbon sludge. Had the manifold cleaned by Holden, carbon deposits very hard to remove, and inlet ports and valves claimed to have been cleaned using de carbonising fluid! Idle a little better - still anoying though. Tech 2 checked out OK. Holden unable or unwilling to say where the carbon came from. I suspect it was from the time diesel got into the sump oil.
Any ideas about the cause of the heavy carbon deposits and any suggestions for the next step?
Jackaroo now out of warrenty!
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