P0665 Engine Trouble Code
When you check engine light came on code P0665 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0665 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P0665 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
P0665 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||O2 Sensor Heater Circuit Malfunction||Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)||Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical|
Regarding the P0665 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
P0665 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0665 OBD-II Trouble Code The Intake Manifold Tuning Valve (IMTV) system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is mo P0665 code.
Reason For P0665 CodeThe reason of P0665 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
P0665 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.