Removing the air mass meter
Loosen the hose clamp on the air mass meter.
Remove the air mass meter plug.
Remove the upper part of the air filter together with the air mass meter, as described in chapter «Air filter and inlets».
Removing nozzles
Remove the air intake sleeve between the air filter (air flow meter) and engine.
Disconnect and lay aside the ignition wires.
Disconnect the injector plugs.
Unscrew the fuel distributor from the engine intake manifold.
Disconnect the vacuum hose from the fuel pressure regulator.
Carefully detach the fuel rail with all six injectors upwards from the engine intake manifold.
To remove one individual injector, remove the safety clip from the fuel distributor and separate the injector.
Installation: Before installation, replace the O-rings on all injectors.
Lubricate all O-rings with new engine oil.
Insert each nozzle individually very carefully so as not to compress or otherwise damage any of the rings.
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