
Diagnostic procedure


No.10 low idle/stalls during deceleration
No.12 lack/loss of power-acceleration/cruiseMazda 6 Service Manual: Fuel injector inspection
Operation Test
Carry out the Fuel Injector Operation Inspection. (See Fuel Injector
Operation Inspection.)
If not as specified, perform the further inspection for the fuel
injectors.
Resistance Inspection
Note
Perform the following test only when directed.
1. Turn the ignition s ...
Mazda 6 Service Manual: Fuel pump unit inspection
Caution
It is normal to hear the fuel pump operating when the ignition
switch is turned to the ON position.
Note
To improve startability, the fuel pump control operates the fuel
pump unit when the ignition switch is turned to the ON position. Due to
this, fuel pressure is rapidly ...