Let's dig deeper into this CKP sensor signal problem on the 2004 Volvo XC90.
ECM-5200 DTC sets when cranking, and injector pulse is missing.

The CKP signal looks PERFECT on the scope, so WHAT IS THE PROBLEM??

After several frustrating hours of diagnostics, a fellow Volvo diagnostic technician pointed me to an obscure TSB...
You WON'T BELIEVE what the root cause of the problem actually is!

IVAN'S PICO WAVEFORMS:
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THINKTOOL PROS: ****$170 OFF!!****
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TOPDON TORNADO 90000 BATTERY CHARGER: "The Beast"
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BRUSH, PILOTED BONDING 1/8:
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