P1129
MAP Sensor Value Higher Than Expected
2003-2008 Honda Pilot 3.5L V6
Moderate SeverityPowertrain
Description
The MAP sensor reading is higher than expected for current conditions.
Symptoms
- CEL
- Rich condition
- Poor economy
- Black exhaust
- Rough idle
Common Causes
- Faulty MAP sensor
- Restricted air filter
- Exhaust restriction
- Boost leak
Diagnostic Steps
- Test MAP sensor
- Check air filter
- Inspect exhaust
- Compare readings
Repair Notes
Replace MAP sensor or fix restriction.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1129 on Other Vehicles
Common Questions
What does code P1129 mean on a 2003-2008 Honda Pilot?
P1129 stands for "MAP Sensor Value Higher Than Expected". The MAP sensor reading is higher than expected for current conditions.
What are the symptoms of P1129 on a Honda Pilot?
Common symptoms of P1129 include: CEL, Rich condition, Poor economy, Black exhaust, Rough idle.
What causes P1129 on a 2003-2008 Honda Pilot?
Common causes of P1129 include: Faulty MAP sensor, Restricted air filter, Exhaust restriction, Boost leak.