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The tubing, mufflers, and catalytic converters that direct exhaust gases from the engine to the atmosphere.
It's always a good time to do something about that exhaust leak. Learn common places these leaks occur as well as methods for finding and fixing them.
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These trouble codes are both signs of catalyst efficiency problems. Learn what can cause these codes, and what to do about them.
Seeing P0421 on your code reader? Learn some common causes and solutions to the problem.
Forced induction can add a lot of power to an engine. Learn more about turbos and superchargers.
Seeing P0420 on your code reader? Learn some common causes and solutions for this issue.
