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Mk3 - How Do I Disconnect A Tddi Injector ?

jaygee82
jaygee82
in Ford Mondeo / Vignale Club

Featured Replies

hi everyone,

my mondeo is making a mysterious sound and i have decided it may be an injector.

all the info i have read tells me to disconnect the wires off the culprit injector to try eliminate the noise.

however, as far as i can see my injectors dont have wiring ? just a brass pipe coming from the upped fuel pump.

im very confused, how do they know when to fire if they dont have a wire ? there must be a electrical connection somewhere but i have stared and scratched my head for hours now.

please help !

p.s. 90hp TDDI - belt tensioner done and camshaft pulley investiaged - not the noise, DMF - no noise yet, pretty sure its injector.

  • Quote


    you will not find any wires on the injector system on a TDDI,it uses a injector pump which injects the fuel and is timed from the timing belt

    its the TDCI which has the wires because its a common rail system where the fuel rail is at pressure and the ecu decides when to fire the injector.

  • Quote
    • Author

    you will not find any wires on the injector system on a TDDI,it uses a injector pump which injects the fuel and is timed from the timing belt

    its the TDCI which has the wires because its a common rail system where the fuel rail is at pressure and the ecu decides when to fire the injector.

    ah thanks that makes perfect sense !

    so remove an injector just involves taking the feed pipe off the back and !Removed! it out ?

  • Quote

    beware of any fuel pressure that may be in the pipe, undo slowly.

  • Quote

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