Question about 1997 Audi A6
O2 Sensor Circ.,Bank2-Sensor1 Voltage too Low/Air Leak
Exhaust Gas Recirc.Flow Insufficient Detected
Fuel Trim,Bank1 Malfunction
Fuel Trim,Bank2 Malfunction
Fuel Trim,Bank2 System too Lean
Hi...these are the trouble code definitions for your make, model and year.
They point to an egr, o2 sensor and fuel injection system problem.
Print this page, take it to a service facility that is familiar with Audi vehicles( preferably an local Audi dealer with a service facility).
Show them this print out and ask for a estimate on repair.
Being that you already have the codes, you should be a step ahead being that they don't need to hook it up..but..they may do it anyway to see if there are more than have cropped up or perhaps gone away since you obtained these.
At any rate, my feeling is should save yourself alot of money by being able to point them in the right direction right off the hop.
Should you need help finding a dealer /service directory, go to www.audi.com and follow the link at the bottom of the page.
Hope this is of assistance to you.
Posted on Oct 03, 2009
It's coolant Temp Sensor
Posted on Jan 01, 2010
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Posted on Jan 02, 2017
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Oct 16, 2015 | Cars & Trucks
Dec 14, 2012 | 1998 Acura RL
The code P0170 means that the air-fuel mixture coming in to the engine is too lean, or too rich. Usually it's the lean condition that causes this code. The code P0173 means the same, only for the Bank 2. Some car manufacturers list the description for the code P0170 as self adaptation out of limits.
The code P0170 could be caused by a number of reasons, such as vacuum leaks, bad PCV valve, or other parts of crankcase ventilation system, low fuel pressure, bad oxygen sensor, bad MAF sensor or even a bad EGR vlave.
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