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RE: No spark 4ktq project
A couple of thoughts. I had a car towed to my shop with the same problem.
After a long diagnostic procedure, it indeed was the rpm and tdc reference
hookups reversed. I swapped them, and the car started. Give it a try.
Also, I have found distributors to be so far out of spec, that the tdc marks
in the distributor were not close to the window. You can be as far out as 2
degrees, then the window will prevent proper spark fire. You can move the
dist a 1/4 turn in either direction (small increments please) and find fire.
I also found this while diagnosing a car at a quattro club event with Keith
Anderson. What happens in the Urq, is that the swelling of the head when
warm, is enough to kick the dist timing reference out of the window.
Remember, the dist timing only has to be in synch to start the car, it will
run fine off tdc after start (albeit in the mac11 cars it will code) until
you shut the car down, then no restart.
Also, recheck your <0> tdc reference on the flywheel the cam and the dist.
Fuel should be an easy ck. If you have a spark problem, the cause is pretty
limited (you may also want to ck the connectors in the plastic electrical
connector going into the dist - common audi part failure, most dealers stock
You can also pull the starter out to make sure you have the tdc pin in the
flywheel, and that it's straight.