Fuel Leakage Test And Volume Test - Mazda 626 MX-6 Workshop Manual

Inspection
There are 3 inspections which must be performed for
the injectors.
Resistance
. Remove the injectors from the engine. (Refer to
1
page 4A—59.)
2. Check the resistance of each injector with an
ohmmeter.
3. If not correct, replace the injector.
Resistance: 12—16 Q

Fuel leakage test and volume test

1. Lift the dynamic chamber upward.
2. Remove the injectors and delivery pipe. (Refer to
pages 4A—59 and 61.)
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
flames.
4. Connect the terminals of the fuel pump test con­
nector with a jumper wire. Turn the ignition switch
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
. Connect the SST to the battery and injector.
6
7. Check the injection volume with a graduated con­
tainer.
Injection volume:
Approx. 44—61 cc (2.68—3.72 cu in) /15 sec.
Caution
When using the SST, make sure of the SST
number and use correct one.
. If not correct, replace the injectors.
8
86U04A-091
4A
FUEL SYSTEM
4A-53