Mazda 626 MX-6 Workshop Manual page 287

Inspection
There are 3 inspections which must be performed for
the injectors.
Resistance
1. Remove the injectors from the engine. (Refer to
page 4B—75.)
2. Check the resistance of each injector with an
ohmmeter.
3. If not correct, replace the injector.
Resistance: 11—15
86U04B-071
Fuel leakage test and volume test
1. Lift the dynamic chamber upward.
2. Remove the injectors and delivery pipe. (Refer to
page 4B—75 and 77.)
3. Affix the injectors to the delivery pipe with wire.
Caution
Affix the injectors firm ly to the delivery pipe
so that no movement of the injectors is
possible.
Warning
Be extremely careful when working with fuel.
Always work away from sparks or open
86U04B-072
flames.
4. Connect the terminals of the fuel pump test con­
connector
nector with a jumper wire. Turn the ignition switch
(Yellow)
ON.
5. Check that no fuel leaks from the injector nozzles.
Note
After 1 minute a drop of fuel from the injec­
tor is acceptable.
86U04A-090
6. Connect the SST to the battery and injector.
7. Check the injection volume with a graduated con­
tainer.
Injection volume:
Approx. 73—90 cc (4.45—5.49 cu in) /15 sec.
Caution
When using the SST, make sure of the SST
number and use correct one.
8. If not correct, replace the injectors.
86U04B-073
4B
FUEL SYSTEM
fl
4B—67