Thje po420 need to monitor o2 sensors to verify if you have a bad sensor or bad catalitic converter
the po522 oil presure sending unit
Here's a video p0420. How To Diagnose Check Engine Light Code P0420 Catalyst Bank 1 Here's p0522. Trouble Code P0520 Oil pressure switch Oil temp sensor 2006 Dodge...
SOURCE: 2004 chrysler pacifica air bag light on, no codes
dealer only be prepared for a bill of up to 2000euros
SOURCE: By winodj_d on Nov 23,
CODE PO420 - CATALYTIC EFFICIENCY BELOW NORMAL BANK I POSSIBLE CAUSES - BASE ENGINE PROBLEMS HIGH COOLANT OR ENGINE OIL CONSUMPTION- CATALYTIC CONVERTER DAMAGED OR HAS FAILED - AIR LEAKS IN AT THE EXHAUST MANIFOLD OR EXHAUST PIPES -YOU NEED A CODE SCANNER TO ERASE CODE.
SOURCE: My chrysler pacifica had
catalytic converter is running below expected threshold-in other words, the sensor is telling the engine computer the cat is not doing it's job, that is to clean up any unburned gases going out of the exhaust. It can mean you need a new cat, or you have an exhaust leak-could also be cured with a new O2 sensor, or check the connection or wiring to the O2 sensor. Will not affect the way the vehicle runs, but usually indicates the car is not 'lighting off; (getting to operation temp) anymore.
SOURCE: what do these code means for my pacifica
P0513 is "Invalid Skim Key" The key may have damaged programing and if that is the case the dealer maybe able to reprogram that key for you (if you have 2 keys, both keys will have to be reprogramed so that they both match. Good Luck).
P0522 =Engine Oil Pressure Sensor/Switch Circuit Low Voltage.
Possible causes
- Low oil level or motor mechanical fault
- Open or short oil level sensor circuit condition
- Poor oil level sensor electrical connection
- Faulty oil pressure sensor
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