P0322
PowertrainCrankshaft Camshaft Positionhigh severityIgnition/Distributor Engine Speed Input Circuit No Signal
What P0322 Means
The PCM is not receiving any engine speed signal from the ignition or distributor sensor. This usually results in a no-start or sudden stall condition.
Symptoms
- Engine cranks but won't start
- No tachometer reading
- Sudden stalling
Common Causes
- Failed RPM/crank sensor
- Open circuit in sensor wiring
- Loose or corroded connector
- Faulty ignition module
Diagnostic Steps
- Check for RPM signal during crank
- Inspect sensor and wiring continuity
- Verify sensor power and ground
- Replace sensor if no signal present
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