P0050 HO2S Heater Control Circuit Bank2 Sensor1
symptoms
Other than the MIL light illuminating you may not notice any performance issues.
cause
A short in the O2 sensor heater circuit or the sensor itself
A faulty O2 sensor heater
Wiring or connectors are broken or frayed to the sensor or relay
Bad PCM or ECM
The fix
Correct wiring short or loose connector found in inspection.
and/or
Replace the bank 2 sensor 1, O2 sensor
Replace PCM if circuit has failed and no wiring issues present, good O2 sensor
My 2002 Saturn L300 was doing this also, it was the BCM (Body Control Module). Cost about $600 to fix at the dealership
You really need to find out what code is causing the light to come on. Visit your local auto parts store. Most of them will read it for you in hopes of selling you the part necessary to fix the problem.
Start by replacing all the spark plugs. If that does not solve the problem then replace the spark plug wires.
Replace air pump
P0050 HO2S Heater Control Circuit Bank2 Sensor1symptomsOther than the MIL light illuminating you may not notice any performance issues.causeA short in the O2 sensor heater circuit or the sensor itselfA faulty O2 sensor heaterWiring or connectors are broken or frayed to the sensor or relayBad PCM or ECMThe fixCorrect wiring short or loose connector found in inspection.and/orReplace the bank 2 sensor 1, O2 sensorReplace PCM if circuit has failed and no wiring issues present, good O2 sensor
You fix what is setting the code off in the first place
i have a 1993 saturn sc1.the relays in the sunroof keep the sunroof from working.anyway to fix it
Need car type since that code means entirely different things on a Chrysler for example or a Saturn-the number is not the same fault for all
Buy a car that isn't a Saturn
How fix code P1140
Trouble code P0705 means: Transmission Range Sensor Circuit (PRNDL Input) Need to replace the sensor
Saturn s-series do not use a cam sensor.If you are getting a trouble code that says you have a bad cam sensor,all it is high resistance on the 1-4 ignition coil circuit.A tune up will fix this code(plugs,wires,clean coil towers and there mounting bolts.