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[tigers_gonads]

Is they a easy way to get the injectors / fuel rail back into the manifold on a V6 ? 

Removed for gas nozzle fitting but a real pain in the ar*e to get back together 

[Kevin Wood]

A little grease around the O rings and in the bores where the injectors fit helps, then they just slide in, I find.

Get one bank of three in place then locate the others in their bores and push down on the fuel rail.

Kevin

[tigers_gonads]

Cheers Kevin 

[Peti]

As for my car, injectors are now taken off.

Is there a way to test them on my desktop ?

E.g. should I hear some clicking sound ...or so when connecting one to the battery ?

[Kevin Wood]

Injectors will click if you momentarily apply 12 Volts to them. This only really verifies if the solenoid coil is intact, though, which you can do with a multimeter on Ohms (expect 12-16 ohms).

When injectors fail, it's generally because the nozzle has clogged, the valve is weeping or the spray pattern and / or flow rate are no longer as specified. Less easy to evaluate unless you have an injector test rig.

They very rarely fail, so I would have to suspect a problem before going through this. You can send them away to be cleaned and flow tested if required.

Kevin

[Peti]

Can I clean them myself using some injector cleaner spay ?

[Kevin Wood]

Can I clean them myself using some injector cleaner spay ?

Not really. They need to be cleaned in an ultrasonic bath while being exercised, ideally. In use, they normally have a pretty good solvent (petrol) passing through them, so any muck that builds up in spite of this will take some shifting. Having said that, as I said, they very rarely cause problems.