Powertrain
generic / SAE
P00B7
Engine Coolant Flow Low/Performance
Coolant flow through the engine is below the expected level. Risk of overheating.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / B7
Possible causes
- Water pump impeller broken or worn high
- Coolant passage blocked medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 2–8 h
- Component: water pump
- Component: coolant lines
- Component: thermostat
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012