Powertrain
generic / SAE
P28C3
EVAP System High Load Purge Line B Performance
The ECM detects insufficient flow or pressure in the high-load purge line B of the evaporative emissions system. Purge cannot be commanded effectively under high engine load.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / C3
Possible causes
- Purge line B restricted or kinked high
- Purge valve B partially open medium
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–400 €
- Estimated time: 0.5–2 h
- Component: evap purge valve b
- Component: evap purge line b
- Component: intake manifold
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012