Fig. 19: Identifying Plug
Courtesy of MAZDA MOTORS CORP.
7. Level the fuel tank.
8. Apply a pressure of
3 kPa {23 mmHg, 0.9 inHg}
to port C and wait for a while.
9. With the pressure still applied, verify that there is airflow from port A and the pressure is
0- 3 kPa {0-22
mmHg, 0- 0.8 inHg}
.
If there is no airflow, replace the fuel tank.
10. Apply a pressure of
-0.5 kPa {-3.8 mmHg, -0.1 inHg}
to port C and wait for a while.
11. With the pressure still applied, verify that there is airflow from port A and the pressure is
-0.5- 0 kPa {-
3.8- 0 mmHg, -0.2- 0 inHg}
.
If there is no airflow, replace the fuel tank.
If there is airflow, place the fuel tank upside down.
12. Apply a pressure of
3 kPa {23 mmHg, 0.9 inHg}
to port C and wait for a while.
13. With the pressure still applied, verify that there is no airflow from port A.
If there is airflow, replace the fuel tank.
NON-RETURN VALVE INSPECTION [LF]
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the
2007 Mazda MX-5 Miata Sport
2007 ENGINE Fuel System - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:37:12 PM
Page 21
© 2005 Mitchell Repair Information Company, LLC.
