Injectors won't spray w/out ignition signal, I think > - Saab 900 Bulletin Board - Saabnet.com
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Injectors won't spray w/out ignition signal, I think >
Posted by Micah in NC [Email] (more from Micah in NC) on Wed, 2 Feb 2005 14:01:45
In Reply to: Specific Fuel Rail/FPR/ Injector Question No Spray?, Rocket900S, Wed, 2 Feb 2005 13:19:37
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Christian,
You have an '87S, so that should be an LH 2.2 injection system = EFI. The injectors will not spray unless there is a ignition signal from the distributor's Hall effect (rotation) sensor, so you'd have to be starting the car (having the distributor spin) to allow the injectors to spray.
The computer won't fire the injectors to spray fuel in this manner so that if you crash and the engine stalls, the system won't keep spraying fuel into a hot, not-running engine (fire hazard). Same thing with power to the fuel pump, too.
Hope this helps!
--Micah in NC
posted by 65.1.16...
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