P0322
Ignition/Distributor Engine Speed Input Circuit No Signal
No engine speed signal from the ignition/distributor — open circuit, dead pickup, or sensor air gap too wide.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Pickup dead or air gap excessiveCommon
Parts involved
- Ignition Distributor
P0322 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.