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PO446: Vent circuit half; PO452: Pressure sensor low; PO453: Pressure sensor high. How do I fix? Answer me, someone, PLEASE1
code readout came up: Emission Control System: PO446: Vent circuit half; PO452: Pressure Sensor low; PO453: Pressure sensor high.
I can start the vehicle but there is no power to the windows or other accessories. Is this an ignition assembly problem?
the engine is the same size, but not sure if there are any changes that wouldn't allow for a swap.. I want to pull the engine and transmission from a 93 safari and put into the 95 safari...
My Safari stalls while I am accelerating. Then the power steering and brakes become very difficult to use.
My 1997 gmc safari when cold, runs very choppy and rough. Once it warms up, after a few miles, it runs great. What could be the problem?
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