A3 Quattro V6-3.2L (BUB) (2008)
-
Disconnect fuel supply line - arrow - on fuel rail line.
-
Install a fuel-resistant assisting hose on fuel rail line.
NOTE: Use hose clamps - arrows - to secure assisting hose.
-
Connect Fuel Inj. Pressure Gauge-CIS K-Jetronic V.A.G 1318 with adapters V.A.G 1318/11, V.A.G 1318/17 and V.A.G 1318/23.
-
Open shut-off valve of pressure gauge set.
-
The lever points in the direction of flow.
-
Start engine and let run at idle.
-
Measure fuel pressure.
-
Specified value: Approximately 4.0 bar positive pressure
-
Switch off ignition.
If specification is not obtained:
-
Check delivery quantity of Fuel Pump (FP).
Checking seal and residual pressure:
-
Check for leaks and for residual pressure by observing pressure loss on the pressure gauge.
-
After 10 minutes there must be a residual pressure of at least 3.0 bar.
If residual pressure drops below 3.0 bar:
-
Start engine and let run at idle.
-
Wait until pressure has built-up, and then switch off ignition. Simultaneously close shutoff valve of pressure gauge K-Jetronic V.A.G 1318.
-
Lever stands perpendicular to direction of flow - arrow -.