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1990 Saab 900 Hatchback - Page 3 Questions & Answers
1990 Saab 900 Turbo
Is the knock sensor, mass air flow sensor and all other necessary sensors plugged in? Also there is a hanger bracket on the front of the engine that shares the front two bolts of the intake manifold and there's about 3-4 ground wire terminals that attach to this bracket and the wires come off of the fuel injector wiring harness. I would check these things and any other obvious electrical connections.
On board Diagnostic 10-pin connector
Check further up ahead of the bellows, may be in the housing for the console itself. I think there are two connectors up in there, but wait for other posts before digging further. My suggestion is only that.
Serpentine belt diagram
The serpentine belt routing should be labeled on your radiator shroud. Look around the engine compartment like the hood or radiator fram suport and there should be a label with the the belt routing.
Good luck and hope this helps
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