Mazda MX-5 Miata / Grand Touring. Manual — part 123

1. Insert a flathead screwdriver between the injector cup and clip finger.

Fig. 38: Inserting Flathead Screwdriver Between Injector Cup & Clip Finger
Courtesy of MAZDA MOTORS CORP.

2. Push the clip finger outward using a flathead screwdriver.

3. Remove the injector with the clip.

4. Remove the clip from the fuel injector using the following procedure:

NOTE:



When pushing the clip finger outward, deform the finger until it is
removed completely from the cup notch.

NOTE:



The clip will not be reused.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Fuel System - MX-5 Miata

Fig. 39: Identifying Clip Finger And Notch
Courtesy of MAZDA MOTORS CORP.

1. Hold the clip using pliers.

2. Pull the clip parallel to the injector groove and remove it from the injector.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Fuel System - MX-5 Miata

Fig. 40: Pulling Clip Parallel To Injector Groove
Courtesy of MAZDA MOTORS CORP.

FUEL INJECTOR INSTALLATION NOTE

1. Apply a small amount of clean oil to the injector groove and the O-ring.

2. Temporarily attach a new clip to the injector groove.

3. Hold the injector firmly and push the clip into the injector until the clip stops sliding.

4. Verify that the injector connector position is correct.

5. Press the injector into the injector cup. Continue pressing until the clip contacts the lower surface of the

injector cup.

6. Verify that the injector and clip are correctly installed with the clip locked onto the injector cup notch.

Fig. 41: View Of Fuel Injector
Courtesy of MAZDA MOTORS CORP.

FUEL INJECTOR INSPECTION [LF]

NOTE:



When the clip is attached correctly, the central area of the injector
and the clip finger positions are aligned.

NOTE:

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Fuel System - MX-5 Miata

RESISTANCE INSPECTION

1. Remove the battery cover.

2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)

3. Disconnect the fuel injector connector.

4. Inspect the resistance between fuel injector terminals A and B using a tester.



If within the specification, perform the CIRCUIT OPEN/SHORT INSPECTION.



If not within the specification, replace the fuel injector. (See FUEL INJECTOR
REMOVAL/INSTALLATION [LF] .)

Fuel injector resistance

11.4-12.6 ohms [20°C {68°F}]



Perform the following inspection only when directed.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Fuel System - MX-5 Miata