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You lucked out-it's usually the gas cap. Code just means no vacum or fuel system not airtight. Check cap and all rubber hoses to get a tight seal. THIS DOES NOT EFFECT DRIVABILITY in almost all cases strictly emissions.

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12y ago

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Where is the po452 switch located at on the 2001 Isuzu Rodeo?

The PO452 code refers to a problem with the fuel tank pressure sensor, which is part of the evaporative emission control system. On a 2001 Isuzu Rodeo, the fuel tank pressure sensor is typically located on the top of the fuel tank or near the fuel pump assembly. To access it, you may need to lower the fuel tank or remove the fuel pump module from the top of the tank. Always ensure safety precautions are taken when working with fuel systems.


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