[...trimmed text...]

And This is why I come here. Steve. Victor. Thanks for reminding me of a test I should've done. Probed at the PCM, volts and amps, and found no amp pull during the extra pulses. Which means a wire is grounding out. Not sure when I'll get back to it but I'll put the final results here. In the meantime, y'all can look at the screenshot. The cursors are at normal injector pulsing.

[Injector pattern failure at pcm]

Erik Laudenslager
Technician
Advanced Auto Systems
Tualatin, Oregon, USA

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