Base Engine Misfire with Abnormal Valve Train Noise

WARNING: This page is about a different variant/trim than selected.

Cause	Correction
Excessively worn or mis-aligned timing belt	Replace the timing belt as required.
Worn camshaft lobes	Replace the camshaft or camshafts and SHLAs - valve lifters.
Sticking SHLAs - valve lifters	Replace the SHLAs as required.
Stuck valves Carbon buildup on the valve stem can cause the valve not to close properly.	Repair or replace as required.