fuel cap AUDI A3 1997 8L / 1.G ATW Engine Readiness Code Workshop Manual

01-94

Work step 12: Diagnostic of tank seal

Test requirements:

Engine running at idle:
Fuel filler cap opened briefly (to reduce
pressure).
Basic Settin
g
Q
Enter display group number XXX

When indicated on display
- Press buttons -0-, -7- and -1- to select "display group number 071" and
press -Q- button to confirm input.
System in basic setting 71
1
2
3
4

When indicated on display
Note:
Test lasts approx. 90 seconds.When the diagnostic of tank seal is performed several times in a row,
the fuel filler cap must be opened briefly before each test to release
pressure.
- Check specified value in display field 4:
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