P1684 Engine Trouble Code
When you check engine light came on code P1684 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 P1684 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1684 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.
P1684 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||O2 Sensor Heater Circuit Malfunction||Cylinder 1 Injector Circuit Low||Clutch Position Sensor Circuit Malfunction|
Regarding the P1684 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.
P1684 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1684 engine trouble code is about Clutch Position Sensor Circuit Malfunction.
Reason For P1684 CodeThe reason of P1684 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
Parts or components should not be replaced with reference to only a P1684 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.