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PO899 is a code that is not in use at this time and is reserved for the upcoming OBD3.
what does rfa 1 mean on a chevy colorado dashboard
P0128- coolant thermostat ( coolant temp below regulated temp)
Trouble code P0496 means: Evaporative emission system - high purge flow
Trouble code P0171 means:System too lean (Bank 1)
You must use a Diagnostic code scanner that can erase trouble codes.
02 sensor circuit, no activity detected (sensor 1)
check for a code . usually means you need a new thermostat
Shut up you idiot!
Trouble code P0142 means:O2 sensor circuit malfunction (Bank 1 Sensor 3)
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
P0496= evaporative emission system High purge flow