Re: Hard Starting Aero - Saab 9-5 Bulletin Board - Saabnet.com
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Might be low fuel line pressure due to check valve leak down. Check pressure after it sits for a while at the schrader valve on fuel rail in engine behind valve cover. It's under a hose coming from the oil trap to the throttle body. Unscrew the black cap and press down on the needle with a small screw driver or suitable tool. If fuel comes out, there should be enough pressure to start. If not, turn key to on and listen to fuel pump cycle on and off. Turn key off. Recheck fuel pressure at valve. If no or little pressure, repeat. If you finally get pressure, and it cranks, then have check valve replaced.
posted by 73.207.50...
Posts in this Thread:
- Hard Starting Aero, Matt, Thu, 15 Dec 2016 17:47:56
- I solved my hard start recently by replace FPR, CE, Mon, 19 Dec 2016 02:53:06
- How hard?, Stephen Goldberger, Fri, 16 Dec 2016 13:43:13
- Re: Hard Starting Aero, Dean, Fri, 16 Dec 2016 07:47:12
- Re: Hard Starting Aero, Denis, Thu, 15 Dec 2016 19:13:06
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