G`day ,
if electrical ....
Check the diagnostic connector isn`t loose and the pins look to be making contact .
Check the connectors for the engine / coil pack and engine / trans are good . (in engine bay on engine ?, firewall pass side, both )
Check crank sensor tip for marks and if any check reluctor(flywheel) not loose falling off and itself as well .
Lead to believe all these can a cause misfire in P38 don`t know about rev specific , just ideas .
If it had a dissy at those revs the alternator wire route would be worth a look as would the rotor arm harmonics .
Also having a look in the dark with the bonnet up and engine running , if you see any sparkles that`s a good spot to look .
Cheers
PLR or peter r elsewhere
BA KA MA RRC L322 TD6 R1200GS
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