GMC Safari Questions Maintenance & Repair
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The worst kinda break down , crank but no start led to a process of elimination . replaced f pump, distrib, coil, cap, rotor, sp plugs, wires. starts now but the odometer stopped working....what the?...
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?
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