Engine Misfire Detected on Startup (First 1000 Revolutions)
2003-2010 Porsche Cayenne 3.2L V6
Description
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.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0316 on Other Vehicles
Porsche 718 Boxster
2017-2024 2.0L H4 Turbo
Porsche 718 Boxster
2017-2024 2.0L Turbo H4
Porsche 718 Boxster GTS
2020-2024 4.0L H6
Porsche 718 Boxster S
2017-2024 2.5L Turbo H4
Porsche 718 Cayman
2017-2024 2.0L H4 Turbo
Porsche 718 Cayman
2017-2024 2.0L Turbo H4
Porsche 718 Cayman GT4
2019-2024 4.0L H6
Porsche 718 Cayman GTS
2020-2024 4.0L H6
Common Questions
What does code P0316 mean on a 2003-2010 Porsche Cayenne?
P0316 stands for "Engine Misfire Detected on Startup (First 1000 Revolutions)". Misfire detected during the first 1000 engine revolutions after startup.
What are the symptoms of P0316 on a Porsche Cayenne?
Common symptoms of P0316 include: Check Engine Light after cold start, Rough start then smooths out, Stumble on startup.
What causes P0316 on a 2003-2010 Porsche Cayenne?
Common causes of P0316 include: Leaking fuel injector (dripping when off), Loss of fuel pressure after shutdown, Spark plug fouled from previous shutdown.