CIS Problem?--AGAIN!!!

Kent McLean kentmclean at
Mon Jun 19 13:32:51 EDT 2006

L DC wrote:
> So, if the car had leaky fuel injectors, the car would
> still start, but it would run crappy, right?

My understanding [1] is that leaky injectors allow fuel from 
the pressurized line to leak down into the intake after the 
engine is shut off. From there, the fuel leaks down through 
open valves, past piston rings, and into the oil sump. Over 
time, this will dilute your oil and cause bad things to happen.

Run crappy?  It only means hard starting while pressure
re-builds in the fuel line.  If it runs crappy after that,
you have other problems.
[1] My understanding based on Motronic, not CIS injection.

Kent McLean
'94 100 S Avant, "Moody"
'89 200 TQ, "Bad Puppy" up in smoke

More information about the quattro mailing list