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P Codes (powertrain)
P0100 - P0199
HAVING CODE P0172, P0175
2002 Chrysler Intrepid
I change both o2 sensor front and rear. Head gas kit. Fuel pressur is okey. Both cat is okey. Campsaft is working good.
Saturday, December 10th, 2011 AT 3:16 AM
P0172= 1/1 fuel system rich.
P0175= 2/1 fuel system rich.
You probably know this, but rich means too much fuel. Or, not enough air. When was the last time you changed the air filter?
I would suspect something like a leaking fuel injector or a faulty MAP sensor not generating a code. Check the plugs, coil(s), and wires.
Saturday, December 10th, 2011 AT 3:25 AM
1. Excessive fuel pressure can be cause by restricted fuel return line
2. Defective Oxygen Sensors.
3. Leaking injectors and fuel pressure regulator.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system
Saturday, December 10th, 2011 AT 3:33 AM
How would I know, I need to change my fuel injector.
Monday, December 12th, 2011 AT 8:35 AM
Go to this link for more information:
Monday, December 12th, 2011 AT 9:46 AM
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