Re: 85 900 8V fuel system...not running but...... - Saab 900 Bulletin Board - Saabnet.com
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Re: 85 900 8V fuel system...not running but......
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Posted by Dana Arenius [Email] (more from Dana Arenius) on Sun, 10 Aug 2003 19:57:45 Share Post by Email
In Reply to: 85 900 8V fuel system...not running but......, Sharon, Sun, 10 Aug 2003 10:08:03
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That's good news...you now know that:
1. your fuel pump is ok
2. fuel distributor and injector function is ok

Now only leaves question of ignition control module or fuel pump relay.
If it is the relay you can test wether the car will start without it.
Put every back together, bellows/fuel injector, all except the relay
Put in the electrical jumper and quickly try to start. Don't try too long since you do not want to flood the engine with gas if you have no ignition spark. If it does start then the problem may be the fuel pump relay or the fuel pump relay is not recieving pulses from the ignition module. The pulses tell the fuel pump if the engine is firing. If the engine is not firing the lack of pulses shut off the fuel pump relay and the pump stops. It is a safety feature.




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