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Contact corrosion! >
< Rules for cleanliness
A3 Mk1
Power unit
Fuel supply system, petrol engines / Fuel supply, gas operation / General repair instructions
Test conditions
Test conditions
Test conditions
l
Battery voltage at least 12.5 V
l
Fuel pump fuse OK
→ Current flow diagrams, Electrical fault finding and Fitting locations
.
l
Fuel pump relay -J17- OK
→ Current flow diagrams, Electrical fault finding and Fitting locations
.
l
Fuel tank at least
1
/
4
full.
l
Fuel filter OK
l
Fuel lines OK (not obstructed or crushed).
l
Ignition off.
Power unit
Fuel supply system, petrol engines / Fuel supply, gas operation / General repair instructions
Test conditions
Contact corrosion! >
< Rules for cleanliness