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Rex/Regina Ignition Coil/Amplifier - Engine cutting out 700 1990

posted by  Heyu on  Thu Feb 9 15:00 CST 2023
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I recently purchased a 'slightly used' Siemens built ignition coil/amplifier (Volvo P/N: 1367438) to have as a spare for my Bendix built ignition coil/amplifier with the same Volvo P/N. When I installed it on the car to test it out I found that the engine would not rev over 4000 rpms, it just cuts out as if there was a governor installed on the engine. It does this whether the engine is under load while driving or just revving in park.

I then removed the recently purchased Siemens IC/A and reinstalled my old Bendix one. I found that the engine is still cutting out at 4000 rpms, just as it did with the Siemens one. I have never had this problem until I installed the replacement Siemens unit and there are no codes showing when I checked the #2 & #6 sockets on the OBD. Besides the engine cutting out @4000 rpms it runs and idles just fine.

Is there a 'learning curve' for the computer to adjust to a 'new' ignition coil/amplifier on a Rex/Regina system or is there something else going on? Thanks! (The vehicle is a '90 740 GL with the B230F engine)






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