Base Engine Misfire with Abnormal Valve Train Noise

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

Cause	Correction
Worn or loose rocker arms	Repair or replace the valve rocker arms as required.
Worn or bent push rods	Replace the push rods.
Sticking valves Carbon buildup on the valve stem and/or seat can cause the valve not to close properly.	Repair or replace as required.
Excessively worn or mis-aligned timing chain	Repair or replace the timing chain, camshaft retainer and sprockets as required.
Worn camshaft lobes	Replace the camshaft and valve lifters.
Sticking lifters	Replace as required.