Powertrain
generic / SAE
P2030
Fuel Fired Heater Performance
The fuel-fired auxiliary heater is operating but not delivering the expected heat output within the calibrated time — flame sensor reports weak combustion, exhaust temperature does not rise, or coolant heating rate is below threshold.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 30
Possible causes
- Combustion chamber sooted from short cycles high
- Flame sensor degraded medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–900 €
- Estimated time: 1–3.5 h
- Component: fuel fired heater
- Component: heater flame sensor
- Component: heater combustion chamber
Sources
References
sae:J2012