P0488moderate severityPowertrain
EGR Throttle Position Control Range/Performance
on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD
What this code means
The PCM has detected that the EGR throttle position is out of the expected range. This performance fault affects EGR flow and emissions.
Symptoms
- Check engine light on
- Rough idle
- Increased emissions
Common causes
- Carbon-clogged EGR throttle
- Faulty EGR actuator
- Damaged wiring or connector
- Faulty PCM
Diagnostic steps
- Scan for stored codes
- Monitor EGR throttle position data
- Inspect for carbon buildup
- Test actuator response
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1