Fuel Pressure? - Saab Performance Bulletin Board - Saabnet.com
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Fuel Pressure?
Posted by Drew in Houston [Email] (more from Drew in Houston) on Sat, 20 Dec 2008 18:09:42
In Reply to: Viggen detonation, dasVettemeister, Wed, 10 Dec 2008 20:32:50
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Have you checked your fuel pressure? ie, is your fuel delivery system working correctly?
Since it's doing it under all conditions, with all fuels, it would seem like a partially bad fuel pump could be the answer. Before that though, I'd check to make sure that the vacuum line to the Fuel Pressure Regulator was hooked up correctly (the FPR ramps up fuel at a proportional rate to the manifold pressure increase as you go under positive intake conditions). If the vac/pressure line to the FPR is okay, the next thing I'd try is to replace the regulator, they're pretty cheap. Of course, you could just hook a gauge to it and make sure that pressure was ramping up with boost like it's supposed to be.
posted by 98.196.143...
Posts in this Thread:
- Viggen detonation, dasVettemeister, Wed, 10 Dec 2008 20:32:50
- Failing Oil Pump/Low Oil Pressure....n/m, AeroTim, Fri, 26 Dec 2008 17:54:51
- Re: Viggen detonation, dasVettemeister, Mon, 22 Dec 2008 13:15:55
- Fuel Pressure?, Drew in Houston, Sat, 20 Dec 2008 18:09:42 <-- Viewing This Message
- Re: Viggen detonation, Nick Taliaferro , Thu, 11 Dec 2008 06:47:39
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