Powertrain
generic / SAE
P2343
Cylinder 8 Above Knock Threshold
Sustained knock above the threshold on cylinder 8 — typical on V8 engines under load with poor fuel.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 43
Possible causes
- Low octane or contaminated fuel high
- Carbon deposits raise compression locally medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 50–600 €
- Estimated time: 0.5–4 h
- Component: knock sensor
- Component: cylinder 8
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012