Vehicle: 2009 Kia Rondo, L4-2.4L, Automatic Transmission
Problem: The engine cranked but would not start.
Example of a good cam and crank sensor correlation
Example of a bad pattern from the Kia Rondo
Details: There was no injection duration and no spark but the RPM was showing in scan tool data.
The tech scoped the cam and crank sensors and found that the timing chain was out of sync (see good and bad example waveform images).
Confirmed Repair: The technician replaced timing chain, sprockets and guides. The problem was fixed.
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