fuel injection

[nathan01]

just changed fuel injectors on my vn
went to try and strat it and it wont start any ideas

[hi_ryder]

just throwing it out there.... they the right injectors? also whats happening when you turn your key so maybe we can narrow down your problem...

[92 VP SS]

What did you change them from and to ? What engine ?

[nathan01]

cause one was stuffed so replaced all of them it will start sometimes but soon as u put the foot down even a little it dyes it a buick motor and yes they r the right ones

[Cheap6]

Vac. hose left/bumped off? eg. MAP sensor? heater controls?

It can't be too much - assuming you only pulled the fuel rails.

Maybe an injector 'O' ring isn't sitting in the hole properly.

If the injectors are used, maybe they're stuffed.

Dumped a heap of fuel into the manifold? (That should clear pretty quickly.)

[VNVacationer]

Just a thought. Hows the MAP sensor maybe it's playing up as the ECM uses the info for spark and fuel control. You could also check the vacuum hose to the sensor for leaks or restrictions after moving things around you might have inadvertently caused an issue so the MAP sensor is not working properly.

Oops typing reply when previous post went up,,,, but some more info

with the engine idling the MAP voltagle to the ECM should vary from about 1 - 2 volts to about 4 - 5 volts at wide open throttle.