Withdrawal
Depressurize the fuel injection lines by disconnecting the hose from the control pressure fitting on the fuel pressure regulator.
Disconnect the injection nozzle fuel lines from the distributor.
Remove the air line connecting the air flow meter to the throttle body.
Unscrew the mounting bolts of the dispenser-distributor assembly with the air flow meter from the air filter housing and remove the dispenser-distributor and the meter.
Disconnect, if necessary, the dispenser-distributor from the air flow meter by unscrewing the three bolts on the dispenser-distributor. When doing this, be careful not to drop the control plunger.
Installation
Install the metering unit with the air flow meter on the air filter housing.
Wrap fastening bolts.
Connect the fuel lines to the dispenser-distributor, replacing the gaskets.
Push the connecting air duct onto the air mass meter.
Connect the control pressure line to the fuel pressure regulator with new gaskets.
Adjust engine idle.
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