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'workaround' for my hot restart issue 200 1989

posted by  greg_mustang on  Mon Feb 24 05:03 CST 2003
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last visit: Sat May 10 07:26 CST 2014
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So once again I am bringing up my hot restart issue.
Volvo 240 sedan B230F 1989 150K miles.

Recap: Warm up to operating temperature. Let stand anywhere between 10 minutes and 45 minutes (depending on outside temperature). To restart, the car need a good 8-10 cranks (engine rotations) to startup.

Replaced: Fuel pump relay; 25A ignition fuse & holder; fuel pressure regulator; complete in-tank assembly; crank position (RPM) sensor. No improvement.

I can now confirm that the issue lies in the fact that there is a lack of either residual line pressure or lack of fuel in the line... I confirm this by 'manually' turning o nthe fuel pumps (via their relay) for around 2-3 seconds before cranking the engine. After doing this the car starts up right away as if it were cold (2-3 cranks).

Question: Should my ECU 'prime' the fuel as I manually do above as I turn the key to ON before cranking? It does not. Please confirm.

Any other info or suggestions are welcome. Remaining is to replace the fuel check valve and filter.

Regards,
Greg Mustang
1989 240 DL sedan B230F 150K miles
1992 940 GLE (16v) B234F 50K miles





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New 'workaround' for my hot restart issue [200][1989]
posted by  greg_mustang  on Mon Feb 24 05:03 CST 2003 >


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