On Tue, Aug 25, 2009 at 5:48 PM, Andy Morse<andysings@aol.com> wrote:
> 86 syncro......... One moment I can get it running but doesn't seem to be firing on all cylinders, then another time I can't keep it idling, another time it won't start. Before I adjusted the valves all was fine except for a finicky fuel pump, unless it was some other sypmtom. Gasoline is fresh.
>
> I'm really beside myself, I just spent a sh*t load of time replacing the heater motor, brake lines, brake master cylinder, new battery, new starter, fuel pump, fuel filter, distributor cap, plugs, oil change....and all of the sudden it doesn't run anymore, I am so puzzled at this one! ok whining over....

Fuel filter installed in correct direction?

Have you tried bypassing the fuel pump relay (hot wiring) to rule out
iffy connections or faulty relay?

All engine related grounds clean/in good shape?

Any chance you worked on the vacuum lines to brake servo (booster)?

Any vacuum leaks? All vacuum lines connected?

Hope that sparks a solution!

Neil.

-- 
Neil Nicholson '81 VanaJetta 2.0 "Jaco"

http://tubaneil.googlepages.com/

http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines