Quote:
Originally Posted by quattromnc
...although without a good removal tool it can be a hell of a job to remove the injectors, worth buying a tool or spending time making a good one.
Hope that helps.
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Doing the rearmost 2 injectors in situ is ridiculously fiddly without removing the inlet manifold, on my previous KV equipped 90 I replaced the front 3 by prising them out but couldn't access the rears sufficiently. When the head gasket went on it I was able to do the rear ones with the head off the car, it was then I discovered the injectors sit in a 2 part "sleeve". There is a brass ring that screws into the head, below which is a plastic(?) tube - any side to side or wiggling motion removing the injector can lead to these tubes cracking, or worse breaking and dropping fragments down... They will be heat stressed and brittle after 28 years! Hence another reason for a good removal tool!
Pic:
The injector nearest the bottom of the picture with the sleeve set up is what I had on my E-reg 2.2E. (Audi sent the parts for the other set up higher up when I ordered the sleeves and then wouldn't do refund as special order. This was back in 2005 ish?)
Dont discount the possibility some numpty has fiddled with the 2 adjustment screws for idle control voltage / CO adjustment. They are accessible and too tempting for some. Would also suggest checking for vac leaks if you have rough running (including the obscured pipes in the void between inlet and engine) and the cold start valve - historically, both have been an issue on my 90s, causing odd idle, hard starting etc. There is also the warm up regulator that comes into play, see above pic, but start with the vac pipes and then cold start valve - its easily accessible and relatively easy to find on a variety of vag engines second hand if required.
Don't give up on the car, it looks great and once the niggles are ironed out you'll find the KV engine is great!
