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Old 2nd March 2007
jaymoney jaymoney is offline
Junior Member
Join Date: Sep 2006                                                
Location: sc
My Saabs: 1989 900 turbo convertible
Posts: 20
Default pressure regulator

My car won't start, there is pressue in the fuel rail. I disconnected the bottom of the pressure regulator so I could test the fuel pump delivery rate but nothing happened. Is this a broken pressure regulator?
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Old 3rd March 2007
RickyS RickyS is offline
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Join Date: Feb 2007                                                
Location: Cumbria UK
My Saabs: 1986 C900i 8v flat front
Posts: 716

Why do you think the no start problem is caused by a faulty pressure regulator?

What other tests have you done to suspect the pressure regulator?
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Old 3rd March 2007
Matthew's Avatar
Matthew Matthew is offline
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Join Date: Dec 2001                                                
Location: Gloucestershire, UK
My Saabs: 900 S Aero Turbo, 9-5 Aero
Posts: 14,069

Shouldn't there should be fuel return to the tank from the regulator?

They rarely fail though so I'd be very hesitant to attribute your no start condition to the reg.

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