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Problem for Audi 1998 A6
1998 A-6 quattro 2.8L V6 (AHA)\r\nI have two codes
1998 A-6 quattro 2.8L V6 (AHA) I have two codes coming up
PO432; states, main catalyst efficiency below threshold (bank2)
PO441; states, Evaporation Emission system incorrect purge flow.
The car runs perfect, does not miss or sputter etc. The only problem is when I try to start the car, the starter just turns over and over like it's not getting any gas for a period of time until it eventually starts. Sometimes I shut it off and try again, often times it will start easier the second try. There is no consistent pattern to when the problem will present itself.
I have had the fuel pressure checked and is said to be fine.
Changed the mass air flow sensor, no help. new solenoid also no help. Any suggestions:
PO432; states, main catalyst efficiency below threshold (bank2)
PO441; states, Evaporation Emission system incorrect purge flow.
The car runs perfect, does not miss or sputter etc. The only problem is when I try to start the car, the starter just turns over and over like it's not getting any gas for a period of time until it eventually starts. Sometimes I shut it off and try again, often times it will start easier the second try. There is no consistent pattern to when the problem will present itself.
I have had the fuel pressure checked and is said to be fine.
Changed the mass air flow sensor, no help. new solenoid also no help. Any suggestions:
Best Solution
posted on Oct 14, 2009
PO432= 1 OF THE SENSOR IN THE EXHAUST SYSTEM if u stand in front of engine to your rt under the car should be a oxygen sensor just unplug it and put a new one.....(bank2)
PO441 = Evaporative Purge Flow Monitor check your fuel cap and replace all of your vacuum hoses because they can be damaged or plugged this should fix it.
So good luck to ya....
PO441 = Evaporative Purge Flow Monitor check your fuel cap and replace all of your vacuum hoses because they can be damaged or plugged this should fix it.
So good luck to ya....
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