You've got 2.
Check with your local auto shop - autozone, advance, they all read codes for free. It should tell you sensor 1 or sensor 2.
Sensor 1 is under the hood - front of the engine, at the knuckle where your headers come together.
Sensor 2 is under the car - right after the catalytic converter.
If you aren't very electronic savy, or if you don't wanna get too dirty - I would recommend getting the "exact fit" oxygen sensors - the universal fits aren't just "plug n go" you have to splice wires and it gets time consuming.. spend the money, get the exact fit.
Code 90: terminal one is shorted to ground, input sensor error inspect motor controller
Where is the crank position sensor 0n a 2001 mitsubishi Galant
The CKP sensor is located on the left side of the engine compartment on the transaxle housing.
I would think that the check engine light would go on and the code would show the TPS is out of range.
Coolant Temperature Sensor/Switch (For Computer) ECCS Component Parts Location
somewhere on the engine
The temp sensor switch is located on the right side of radiator ,at the bottom.
Directly beneath the power steering pump on the passenger side of the engine.
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)symptomsOther 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 1 sensor 1 O2 sensor
were is this contr ol sensor located
Code 340 indicates a malfunction of the cam position sensor/circuit.
They are junk, simple as that. I have one to change on Monday.