2011 a8l fuel trim problem
12-11-2017, 12:54 PM
#1
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2011 a8l fuel trim problem
I am having a check engine come on and go off ?
I pulled the codes and they are P0175/0172/0300/0305/0308/0306/0300/0307/
any help is welcomed
thanks
I pulled the codes and they are P0175/0172/0300/0305/0308/0306/0300/0307/
any help is welcomed
thanks
12-18-2017, 09:38 PM
#2
AudiWorld Super User
I had the same problem, maybe. Does your exhaust smell poorly? I had a fuel trim problem that necessitated replacing the high pressure fuel pumps.
Had I known they were sitting in plain site on top of the engine I would have saved a lot of cash at the dealer. I fought the dealer diagnosis for many months because they want $1,800 for the replacement. The codes can mean many different things wrong so I started with oil separator and then spark plugs and checking for air leaks. Finally gave up and had dealer replace pumps. Problem remains that the excess fuel damaged the catalytic converters so more big dollars. Do you have the VCDS code info?
Had I known they were sitting in plain site on top of the engine I would have saved a lot of cash at the dealer. I fought the dealer diagnosis for many months because they want $1,800 for the replacement. The codes can mean many different things wrong so I started with oil separator and then spark plugs and checking for air leaks. Finally gave up and had dealer replace pumps. Problem remains that the excess fuel damaged the catalytic converters so more big dollars. Do you have the VCDS code info?
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