U2A00 Audi 4000 DTC Code

Audi 4000 Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Naturally Aspirated

Your Audi 4000 engine control system detects a problem, the computer stores the diagnostic trouble code U2A00 in its memory. To figure out what is wrong with your vehicle you must first extract the U2A00 DTC For Audi 4000.

To solve U2A00 Audi 4000 problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

U2A00 Audi 4000 DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
A	Transmission
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
0	Transmission Engaged At High Throttle Angle

If your vehicle failed a U2A00 Audi 4000 test and the U2A00 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U2A00 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U2A00 DTC For Audi 4000: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.