FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Pinpoint Tests

PINPOINT TEST A: RESTRICTED EXHAUST SYSTEM TEST

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.

Tests A1 - A3:





PINPOINT TEST A: RESTRICTED EXHAUST SYSTEM TEST