Powertrain
generic / SAE
P2192
System Too Rich at Higher Load (Bank 1)
Bank 1 fuel trim hits the rich limit only at higher load. Often excessive fuel pressure, a stuck-closed MAF reading low, or coolant temperature signal stuck cold causing over-fuelling.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 92
Possible causes
- Fuel pressure too high high
- MAF reads low under load medium
- Coolant temperature sensor stuck cold medium
Symptoms
- Check engine light on
- Increased fuel consumption
- Black smoke from exhaust on acceleration
- Smell of unburned fuel, fouled spark plugs
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–600 €
- Estimated time: 0.5–3 h
- Component: fuel pressure regulator
- Component: mass air flow sensor
- Component: coolant temperature sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012