Testing EFI injectors

[Phil Payne]

> I'm working on a Bosch L-Jetronic (EFI) equipped car that has been sitting
> unused for a couple of years. Initial no-start diagnosis was no fuel
> pressure. Cleaned out the gas tank and replaced the fuel pump and filter.
> Now I have good fuel pressure. When I crank the engine it fires for a few
> seconds and then dies - presumably the cold start valve doing its thing. The
> obvious diagnosis is that the injectors are gummed up but how do I test
> them? By the time I have got the injectors out of the car I have pretty much
> torn the intake system to pieces so I can't simply crank the engine and look
> at the injector output.

Check out Scott Mockry's site at http://www.sjmautotechnik.com - one of the output tests fires
each of the injectors in turn.  Just follow the instructions for any of the 20V turbo cars.

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803