Mercedes injector leaks.....

[darius89]

Hi, have mercedes vito 639 85kw pjezo injectors. 3 injectors return leaks and drops pressure on engine start. Injectots was removed and tested, all ok , just return leaks. Thats my own car and I dont want to buy new injectors.
Does possible to lower pressure in soft on start ? Please.

[stanislav georgiev]

you may need to buy new injectors. The other option is second-hand working

[darius89]

I know that bur car not worth new injectors. So I desided to try that way

[konq100]

My tips:

1. Upgrade starter motor to make hight RPM.
2. Add extra large battery for increase starter motor revs.
3. Start engine every time in downhill.



Choice is yours :D

[boomeer]

Hi, have mercedes vito 639 85kw pjezo injectors. 3 injectors return leaks and drops pressure on engine start. Injectots was removed and tested, all ok , just return leaks. Thats my own car and I dont want to buy new injectors.
Does possible to lower pressure in soft on start ? Please.

Maybe you must higher pressure in soft NOT lower?

[darius89]

I mean to let start on lower pressure. or make computer think that pressure higher than real.
Does possible that to do without buying new injectors ???

P.S. Battery big and new.

[boomeer]

engine start or not ? in hot problem more or not ?

[darius89]

on cold 3-4 seconds to start
on warm 5-7 seconds to start
on very hot somtimes cant start somtimes 20 seconds to start

[boomeer]

on cold 3-4 seconds to start
on warm 5-7 seconds to start
on very hot somtimes cant start somtimes 20 seconds to start

try this dont know helps or not

[darius89]

Thanks, will try tomorrow and let you know

[stanislav georgiev]

I think that this will not fix the problem. In time, the injectors will begin to return more fuel and the car did not ignite

[boomeer]

100%!!! you are right

[darius89]

You guys was right. Same situation.
But worth to try :)