I just bought a set of Bosch DRI injectors from Lindertech to replace my Multecs which have shorted out. When the box of injectors arrived, there's a note inside the box that says "Pulse injectors before installation" but it doesn't give any instruction on what exactly this means. I did a rudimentary search on the forum here but wasn't able to find anything.

Does anyone know what they mean by this? I know there's been a ton of people change out their injectors. Did you just install them and go or did you do something special to them before installation?

 

I think they want you to just hit the injectors with 12V a couple of times each with a pair of alligator clip leads or something, to make sure the pintle valve breaks loose in there while there's no fuel pressure that they have to overcome, in case it's stuck.

 

In case anyone else is curious, I found out what they meant. Apparently alot of shops carry an injector pulser that is used to verify that the injectors are working before installing them. If a shop stocks injectors and they sit around for 60-90 days or so, the fluid they put inside them at the injector place can dry a little and cause a film to develop. However, all injectors are verified at Linder Tech before they ship them so if you're just buying them and installing them right away then you don't have to worry about pulsing them before installation.