Mazda MX-5 Miata / Grand Touring. Manual - part 122

1. Inspect the fuel hose and fuel pipe sealing surface for damage and deformation. 



If there is any malfunction, replace it with a new one.  

2. Apply a small amount of clean engine oil to the sealing surface of the fuel pipe.  

3. Install a new retainer to the quick release connector. 

NOTE:



If the quick release connector O-ring is damaged or has slipped, replace 
the piping component.  



A checker tab is integrated with the quick release connector for new fuel 
hoses and evaporative hoses. Remove the checker tab from the quick 
release connector after the connector is completely engaged with the fuel 
pipe.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 36: Identifying Quick Release Connector 
Courtesy of MAZDA MOTORS CORP. 

4. Reconnect the hose straight to the pipe until a click is heard.  

5. Lightly pull and push the quick release connector a few times by hand, and then verify that it is connected 

securely.  

6. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION [LF] .)  

FUEL INJECTOR REMOVAL/INSTALLATION [LF]

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

1. Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel 

from spilling from the fuel system. (See BEFORE SERVICE PRECAUTION [LF] .)  

2. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [LF] .)  

3. Remove the battery cover.  

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

5. Disconnect the fuel injector connector and move the harness slightly out of the way.  

6. Remove in the order indicated in Fig. 37 . 

WARNING:



Fuel is very flammable liquid. If fuel spills or leaks from the 
pressurized fuel system, it will cause serious injury or death and 
facility breakage. Fuel can also irritate skin and eyes. To prevent 
this, always complete the "

FUEL LINE SAFETY PROCEDURE

", while 

referring to the BEFORE SERVICE PRECAUTION [LF] .  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata

  

Fig. 37: View Of Fuel Injector Components (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

7. Install in the reverse order of removal.  

8. Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION [LF] .)  

FUEL INJECTOR REMOVAL NOTE 

CAUTION:



Use of a deformed injector clip will cause the fuel injector to be 
connected incorrectly and could result in fuel leakage. It will also 
cause the injector to rotate. Therefore, always replace the clip when 
the injector is removed.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 ENGINE Fuel System - MX-5 Miata