Question about Mitsubishi Montero Sport
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NOTE: In order to perform a meaningful diagnosis, it is necessary to utilize either a code scanner or code reader. A test light, ohmmeter, digital voltmeter, vacuum gauge and jumper wires may be required. You do not need any of the aforementioned items to inspect vacuum hoses, wiring, or disconnected plugs or adapters.
There is no such thing as one fix fixes all. Be forewarned that some repairs require ripping things apart and extensive testing, repairing or replacing items, This possibilities require a modicum of skill, patience and more. It's always best to take your vehicle to your service center.
Before undertaking any repair or diagnostic work, be sure to inspect wiring for proper connection, burned or worn/chafed spots, and cuts. The connectors to the EGV tend to corrode and the wiring breaks because of the heat.
Be sure to check hoses that are hard to see beneath the air cleaner, compressor, alternator, etc.
THE MOST IMPORTANT NOTE: Scan the system again after the vehicle is running. The reason is that non-related codes can be detected after the engine is running because sometimes false codes can be triggered by the engine not running. Once the engine is running again the code present might cycle and turn itself off. You might say "if the engine doesn't run shouldn't it have a trouble code?" Sometimes conditions occur that will not be detected by the computer. For example: if the fuel pump fails the computer cannot detect the failure, so the engine doesn't start and the computer thinks everything is okay with no codes. If no trouble codes are present proceed to the next step.
If you have trouble using the code scanner or interpreting the codes click on the following link and use my access code (carrepair): Free Automotive Repair information for Users of a Code Scanner
All the best
Posted on Jul 23, 2011
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Posted on Jan 02, 2017
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