P0316moderate severityPowertrain
Engine Misfire Detected on Startup (First 1000 Revolutions)
on 2000 BMW M5 4.9L V8 S62 · RWD
What this code means
Misfire detected during the first 1000 engine revolutions after startup.
Symptoms
- Check Engine Light after cold start
- Rough start then smooths out
- Stumble on startup
Common causes
- Leaking fuel injector (dripping when off)
- Loss of fuel pressure after shutdown
- Spark plug fouled from previous shutdown
Diagnostic steps
- Perform fuel pressure leak-down test
- Check injectors for leaks
- Inspect spark plugs
- Monitor misfire counts on cold start
Repair notes
Check for leaking injectors. Replace fouled spark plugs.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1