Basic engine misfiring with use of coolant (A20NFT/LHU)
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Basic engine misfiring with use of coolant (A20NFT/LHU)
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Cause
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Procedure
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Defective cylinder head gasket and/or cracking, or other damage to the cylinder head and the engine block's cooling ducts.
Use of cooling agents may possibly lead to the engine overheating.
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Check that there are no spark plugs soaked with cooling agent.
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Check cylinder sealing integrity.
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Check that the cylinder head and engine block cooling ducts are not damaged and that the cylinder head gasket is not defective.
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Repair or replace any defective or damaged components.
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