P1520 Engine Trouble Code
When you check engine light came on code P1520 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 P1520 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P1520 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.
P1520 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Fuel Composition Sensor Circuit Malfunction||Crankshaft Position Sensor A Circuit Malfunction||Exhaust Gas Recirculation Sensor B Circuit High|
Regarding the P1520 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.
P1520 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1520 OBD-II Trouble Code Intake Manifold Runner Control Circuit Malfunction is one of the definitions for the P1520; however your vehicles manufacturer may have a different definition for the P1520 code. Please check below fo P1520 code.
Reason For P1520 CodeThe reason of P1520 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
P1520 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.