Removing And Installing Mixture Control Unit

4. Detach and remove all fuel injection lines, counteiholding on fuel injectors.

5, Detach and remove hose between auxiliary air regulator and air distributor, fuel supply line on cold start valve and, on cars with an automatic transmission, vacuum line.

6, Loosen upper hose clamp on connector between air distributor and throttle housing.

9. Unscrew hexagon head bolts and nuts between air flow sensor and air guide housing, and remove mixture control unit from above.

7. Detach intake pipes at bottom and remove together with air distributor.

8. Detach fuel lines:

A - Control pressure line to control pressure regulator B - Fuel feed C - Fuel return D - Fuel feed/cold start valve E - Fuel return/control pressure regulator

Removing

1. Disconnect battery ground wire from spare wheel well.

2. Remove air cleaner assembly.

3. Remove vacuum hose between intake branch and brake booster.

4. Detach and remove all fuel injection lines, counteiholding on fuel injectors.

5, Detach and remove hose between auxiliary air regulator and air distributor, fuel supply line on cold start valve and, on cars with an automatic transmission, vacuum line.

6, Loosen upper hose clamp on connector between air distributor and throttle housing.

Removing and Installing Mixture Control Unit

Installing

1. Always use new seals and gaskets.

2. Tighten hex. head bolts on mixture control unit crosswise to 1, 0 mkg (7 ft lb).

3. Tighten hex. head bolts with spring (in area of sensor plate lever bearings) to compressed length of spring and then loosen by one turn.

4. Tighten fuel lines and intake pipes to specified torque.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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