[A4] Potential A4 Conflagration
sdewitt at stx.rr.com
Fri Dec 26 19:51:07 PST 2008
Stuck FPR at cold temps?
---- Scott Simmons <indischrot at gmail.com> wrote:
> Since it's happening to all 6 injectors, I almost want to dismiss the
> idea that all of them failed in the exact same way at the exact same time.
> Maybe it's a fuel pressure issue?
> ~Scott S.
> Richard Andrews wrote:
> >Sounds like a great way to get outta a b5 lemon.
> >I've never heard of this before but suppose anything is possible.
> >On Fri, Dec 26, 2008 at 5:10 PM, Doug Harrison <S6overMT at montana.net> wrote:
> >>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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> >>A4 at audifans.com
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> >A4 at audifans.com
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