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Jeep Wrangler Timing Instructions

You can adjust ignition timing on your Jeep Wrangler by rotating the distributor a few degrees. This procedure is possible on the 4.2L engine...

How to Reset a Cadillac’s Computer

A Cadillac's computer controls the emissions system and other vital systems on the vehicle. When there is something wrong with the Cadillac, the computer...

How to Reset the Computer on a Mitsubishi Montero

The computer in your Mitsubishi Montero controls the air to fuel ratio and emissions control system. If there is something wrong with any of...

Why Does My ECM-I Fuse Keep Blowing?

The electronic control module (ECM) -- also called the powertrain control module (PCM) or electronic control unit (ECU) -- is a computer which controls...

How to Repair Check Engine Light on 2006 Chevrolet Trailblazer

Your 2006 Chevrolet Trailblazer's "check engine" light comes on when there is a problem with the sensors on the vehicle. The engine codes can...

How to Reset Check Engine Light on 2003 Volkswagen Passat

The check engine light on your 2003 VW Passat comes on when there is a problem with the vehicle's emissions control system. You will...