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No Start, No Fuel Pump Power to Fuse #4, 1992 Volvo 245 (LH 2.4) 200

posted by  someone claiming to be Build on  Sun Aug 21 11:30 CST 2022 [RELATED]

Hi everyone,

I'm having my yearly no start problem with what I assume is the ECU not sending power to activate the primer fuel pump? I've had this recurring problem for years. Before I would just run to pull a part and get a working ECU, and stock up on them when I can. I have four known good ECU, but none seem to be fixing my no start problem this time. Maybe they've gone bad as well? The 30+ year old ECU electrolytic capacitors might be the problem? I've been driving with a 12vdc+ jumper on fuse #4. Not a great solution.

All connectors are clean, fuses are new, fuse box clean. All engine diagnostics check out 100%.

Any ideas?

I really appreciate it! Thanks!
Jim






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