[A4] Potential A4 Conflagration

Doug Harrison S6overMT at montana.net
Fri Dec 26 15:10:28 PST 2008


I have a 1998 model with the 2.8 5V (AHA) engine with about 120K on the clock.  When temps fall below 0 degrees F, upon starting (if it starts at), all 6 fuel injectors leak copious amounts of fuel externally at what appears to be the area below the plastic electrical connection on the injector body.  As this is happening, with fire extinguisher in hand, the engine runs fine and warms up normally with no engine fault codes thrown (had 2 throttle body fault codes earlier, but they did not return after clearing) .  The injectors do not leak at all when starting above about 10 degrees or when at normal operating temps.  The (12) injector seals were very recently replaced along with a new fuel pressure regulator (and there is good vacuum at the regulator).  Have not gauged fuel pressure yet or checked fuel return lines for blockage.  

Before I throw $600+ at a new set of injectors, have I missed something?  Anyone hear of defective injectors in these cars under extreme cold?  Any ideas would be greatly appreciated.  Thanks much.

Doug H.

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