Powertrain
generic / SAE
P26A0
Exhaust Aftertreatment Glow Plug Performance
The aftertreatment glow plug heats but exhaust temperature does not rise as expected. Combustion of injected HC may not start.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / A0
Possible causes
- Aged glow plug heats slowly or unevenly high
- HC supply from 7th injector below required medium
Symptoms
- Glow plug warning light on (often orange coil symbol)
- Hard cold start or no start in cold weather
- White smoke from exhaust during warm-up
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: aftertreatment glow plug
- Component: exhaust temperature sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012