Powertrain
generic / SAE
P2A3F
Excessive Time to Enter Alternative Fuel Control
On bi-fuel vehicles, the AFCM cannot transition into alternative fuel control mode within the calibrated time window. Tank pressure low, vaporizer cold, or fuel quality limits the change-over.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 3F
Possible causes
- Alt fuel tank pressure low high
- Vaporizer not yet at operating temperature medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–800 €
- Estimated time: 0.5–4 h
- Component: afcm
- Component: alt fuel tank
- Component: alt fuel vaporizer
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012