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Jfrahm Jfrahm is online now
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Join Date: Oct 2002
Location: Boulder, CO
Posts: 1,207
Did the injectors click and open when you cleaned them? Did you backflush them?

If not, make sure the injectors actually open and pass fuel.
If so, then check for fuel pressure at the rail and check for injector pulses. If that sounds hard try tickling an injector with power and ground (quick pulses) and see if the car gets fuel from that.
Some old speaker wire to the battery is all you need for that.

Check those injector clips too, make sure they are in place and square (not splayed out like a duck's foot) and grabbing the rail and the injector groove. Or get some graham crackers and marshmallows.

If it runs if given fuel the lack of tach bounce is not a worry. You have a crank signal as you have ignition.
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1987 928S4
1992 968 cabrio
2009 957 Cayenne GTS
Old 10-15-2019, 07:29 AM
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