Which is the pre-pump? - Saab 9000 Bulletin Board - Saabnet.com
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Which is the pre-pump?
Posted by Andrew W. [Email] (more from Andrew W.) on Sun, 10 Apr 2005 23:04:59
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I'm having some cold start issues with my '86 T 5spd, and have either eliminated or replaced almost everything except the FPR, the check valve on the top of the pump, and the pre-pump.
List of things replaced, rebuilt, or checked (to my memory):
AMM
AIC
Main Pump (35PSI)
Coolant Temp. Switch
Charcoal Canister
All Vacuum lines
Plugs, Cap, Rotor, Wires, Coil
Re-Grounded... everything
O2 Sensor
Filters (Fuel, Air)
Cleaned Throttle Body
Cleaned all electrical connections
That's all I can think of off hand...
I should mention that I rigged a fuel pressure test hose and noticed that when the care was shut off, the pressure dropped to virtually zero.
Where is the pre-pump? Where can I get a new check valve? and the FPR is just going to have to stay there a bit longer...
But the pre-pump is news to me, and quite shocking seeing as how I'm been working on this car for years now. :)
Thanks for any responses,
Andrew W.
posted by 68.63.194...
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