Hum noise around firewall,, gets loud then engine stall - Saab 9000 Bulletin Board - Saabnet.com
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Hum noise around firewall,, gets loud then engine stall
Posted by SAM (more from SAM) on Tue, 5 Apr 2005 18:03:19
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THis is weird. After my Saab 9000CD Turbo warms up sometimes there is a hum that is intermittent at first, then it gets steady. Car accelerates great. It is very responsive. BUt the noise gets louder when I am not doing over 45MPH. Then the engine will suddenly shut down and won't start for a few minutes as if it is fuel starved. I replaced the fuel pumps. I have only heard this type of noise in older cars when the engine runs hot. Like the motor is screaming. Radiator ok. fluids ok. Vacuum hoses ok. WHICH reminds me. THe intensity of the sound fell off when I moved the vacuum hose for the pressure regulator to the same spot as the vacuum advance hose. I am thinking that my regulator is almost done.
Sometimes after a brief stop, like at the 7-11, the gas pedal will feel more sensitive and the car really hauls.
posted by 209.112.95...
Posts in this Thread:
- Hum noise around firewall,, gets loud then engine stall, SAM, Tue, 5 Apr 2005 18:03:19 <-- Viewing This Message
- SOLUTION TO MY PROBLEM was the FEEDER PUMP, SAM, Sat, 9 Apr 2005 20:17:20
- Re: Hum noise around firewall,, gets loud then engine s, David Scott, Wed, 6 Apr 2005 19:49:26
- Car stalled. fuel pump buzzes LOUDLY when operating, SAM, Wed, 6 Apr 2005 18:59:41
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