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– Reconnect fuel pressurisation line -3- to high-pressure pump
-1- and attach clip -2- (ensure cleanliness).
Note
Check fuel system for leaks.
3.2
Checking intake manifold change-over
Perform check only if there is a loss of torque. This means when
there is a lack of elasticity or a lack of pulling power.
Special tools and workshop equipment required
♦ Hand vacuum pump -VAS 6213-
Test prerequisite
♦ Variable intake manifold valve -N316- has been checked with
a vehicle diagnostic tester .
If the intake manifold flap valve -N316- is OK, perform the follow‐
ing tests:
– Start engine and run at idling speed.
– Have second person abruptly increase engine speed (throttle
burst). Observe intake manifold changeover vacuum actuator.
• Actuator must move -arrow-.
If changeover does not operate as indicated:
– Check vacuum system for leaks.
– Check changeover mechanism for ease of movement . To do
this, operate rods by hand.
– Check that vacuum lines are correctly connected.
– Check vacuum hoses for porosity.
Amarok 2011 ➤
4-cylinder injection engine (2.0 l direct injection engine, turbocharger) - Edition 02.2011
232
Rep. gr.24 - Mixture preparation - injection
