Mazda MX-6 1998, Workshop Manual

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FUEL SYSTEM
1 Connector
2
Fuel hose and fuel pipe
3 Fuel distributor (RH)
tr Installation Note
4 Fuel distributor (LH)
tr Installation Note
Fuel Distributor Installation Note
1. Install new fuel injector insulators.
2. Install the insulators, making sure that each is
pressed in fully, and that it is not twisted or bent.
Incorrectly installed insulators can cause rough
idle.
FUEL DISTRIBUTOR
Fuel Injector Installation Note
1. Install new O-rings.
2. Apply a small amount of clean engine oil to the
O-rings before installing them.
5 Insulator
6 Accumulated connector
7 Spacer
8 Fuel injector
tr Installation Note
9 Pressure regulator
3. Verify that the fuel distributor is clean.
4. Clean the fuel distributor with gasoline, if
necessary.
5. Install the fuel injector squarely into the fuel
distributor while turning it back and forth.
6. Fit the fuel injector tab into the notch in the fuel
distributor.
7. Install the harness.
FUEL INJECTOR INSPECTION
On-vehicle
1. Warm up the engine and let it idle.
2. Listen for operational sound of each fuel injector
with a screwdriver or a sound scope.
KL
Note
The best way to judge the performance of a
fuel injector is to compare its sound with the
sound of other fuel injectors.
W 6 U 1 1 4 W N R
3. If no sound is heard, carry out the fuel leakage
test.
Fuel Injector Resistance Inspection [FS]
1. Disconnect the fuel injector connectors.
2. Measure the resistance of the fuel injector.
0 1 -1 4 -1 1