MAP Sensor Circuit Intermittent Low Voltage
1995-2005 Pontiac Sunfire 2.2L I4
Description
The PCM detected intermittent low voltage drops from the MAP sensor circuit. This indicates a sporadic loss of signal, often caused by a loose connection.
Symptoms
- Check Engine Light (intermittent)
- Intermittent stalling
- Surging at idle
- Hesitation
Common Causes
- Loose MAP sensor connector
- Intermittent open in wiring
- Faulty MAP sensor
- Corroded terminals
Diagnostic Steps
- Wiggle test MAP sensor connector while monitoring voltage
- Inspect wiring for breaks
- Test MAP sensor
- Check 5-volt reference supply
Repair Notes
Clean connectors and repair any damaged wiring. Replace MAP sensor if faulty.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1107 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P1107 mean on a 1995-2005 Pontiac Sunfire?
P1107 stands for "MAP Sensor Circuit Intermittent Low Voltage". The PCM detected intermittent low voltage drops from the MAP sensor circuit. This indicates a sporadic loss of signal, often caused by a loose connection.
What are the symptoms of P1107 on a Pontiac Sunfire?
Common symptoms of P1107 include: Check Engine Light (intermittent), Intermittent stalling, Surging at idle, Hesitation.
What causes P1107 on a 1995-2005 Pontiac Sunfire?
Common causes of P1107 include: Loose MAP sensor connector, Intermittent open in wiring, Faulty MAP sensor, Corroded terminals.