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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Dieseling/Chattering Sound?
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[QUOTE="Jonny426, post: 193437, member: 22962"] I'll agree with DBD, Mtngoat+Gnarlykaw. ping/detonation sounds right and it is very hard on pistons/bearings.Check ,or have it checked, the timing(cheap fix).Verify E.G.R. operation.( If the E.G.R. is messed up it should throw a check eng. lite on in '94.) Even if the valve moves, it may be blocked or restricted by carbon buildup. If you fill up with super unleaded and notice a definate improvement you are supressing detonation,And timing/E.G.R. are major factors.A weak fuel pump or partly blocked fuel filter will cause a lean condition wich can cause ping,but that too should set a code/cause the check eng. lite to come on. 23 long years ofauto repair,most of them ASE cert. Jonny426 [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Dieseling/Chattering Sound?
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