Operation CHARM: Car repair manuals for everyone.

Test A: Loss of Power

Pinpoint Test A: Loss of Power

Normal Operation
The diesel exhaust system provides an exit for exhaust gases and reduces engine noise by passing exhaust gases through the catalytic converters and a muffler assembly.

NOTE: The vehicle can have a lack/loss of power, odor, a noise or a "no start" concern. These concerns may be related to the exhaust system. Carry out the following test, if no trouble codes were stored. This test is for diagnosing the source for these conditions.

This pinpoint test is intended to diagnose the following:
^ Restricted or damaged pipes
^ Muffler
^ Catalytic converter

A1-A2:




A3: