Specifications

FUEL INJECTION SYSTEM

Article Text (p. 7

1984 Mazda RX

For iluvm

rx7.com

Fig. 7: Checking Airflow Meter Resistance

AIRFLOW MEASURING PLATE TEST

Using a screwdriver, depress measuring plate fully and

measure resistance between terminals on airflow meter connector. See

AIRFLOW MEASURING PLATE RESISTANCE table for resistance values.

AIRFLOW MEASURING PLATE RESISTANCE

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Terminals Ohms

E1 to FC

Plate Fully Closed ........ No Continuity

Plate Fully Open ...................... 0

E2 to VS

Plate Fully Closed ............... 20-400

Plate Fully Open ................ 20-1000

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FUEL INJECTORS R & I

REMOVAL

1) Remove dynamic chamber assembly by removing air funnel,

accelerator cable, throttle sensor connector, metering oil pump

connecting rod and coolant hoses.

2) Disconnect negative battery cable, terminal cover, vacuum

hoses, air supply valve connector and intake air temperature sensor

connector.

3) Lift chamber assembly off of intake manifold and cover

intake manifold ports. Remove delivery pipe from top of injectors and

remove injectors.

INSTALLATION

Install new "O" rings on injectors and lubricate with

gasoline. To install injectors, reverse removal procedure. Check for

fuel leakage before installing dynamic chamber.

FUEL PUMP R & I

REMOVAL