(no subject)

Ti Kan ti at amb.org
Wed Sep 10 02:31:30 EDT 2003


Chris Yetman writes:
> [ dead Coupes ]

> The '86 has a problem with the fuel injection, it won't run, it
> acts like it is being starved for fuel, I have an extra little pushbutton
> under the dash to actuate the 6th injector, and it doesn't help very much.
> I have verified there are no blockages, and there is fuel pressure at the
> fuel distributer, but when I pull an injector, sometimes fuel comes out and
> sometimes it doesn't.

How did you verify that there are no blockages?  And how did you measure
the pressure at the fuel distributor?  Just because there is some pressure
doesn't mean that it's sufficient to cause the injectors to spray properly.
If the car has been sitting for a long time then chances are the fuel
has turned to jelly and gunked up your fuel filters and lines.

> The '82 was running when it was parked 5 years ago, I
> filled the engine with oil up to the top of the head, and drained all of the
> coolant from the engine, what are some things I should look for when
> reviving this car?,

Can you describe the symptom?  Does it crank?  Have you verified that
there is spark at the plugs?  Does the fuel pump work?  Have you done
the basic diagnostics and checked for air leaks?

There is no rocket science, if there is fuel and air in the right quantities,
and there is spark, the engine should run.

Got a copy of the Bentley service manual for these cars?  Time to do some
troubleshooting.

> If you were
> in my position what would you do, revive the '82, or try to fix the '86 that
> was running  last spring, but left me stranded several times, and has had
> the same problem for a couple of years off and on.

Without knowing the full history and having diagnosed the car, I don't
think anyone could make a recommendation.  You'll have to make the
determination based on each car's conditions...

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
--
    ///  Ti Kan                Vorsprung durch Technik
   ///   AMB Laboratories, Sunnyvale, CA. USA
  ///    ti at amb.org
 //////  http://www.amb.org/ti/
///




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