fuel pressure AUDI A4 1995 B5 / 1.G APB Engine Exhaust System Components Workshop Manual

26-22
If values above 20 % are displayed constantly,
then

fuel pressure may be too low,
mass air flow sensor signal may be too small.

- Select measuring value block 220.
Read measuring value block 220
1
2
3
4

Indicated on display (1...4 display fields) - Check exhaust temperature regulation.

Display fields

1 2 3 4
Display group 220: Exhaust gas temperature regulation
Display 1 RPM % % Text
Indicated Engine speed (RPM) Load Duty cycle, Sensor,
Bank 1 Operating condition,
Bank 1
Specified
value > 5000 > 100
42 10
Regulation on
Note: Increase engine speed and load enough that regulation
jumps to "on"
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