P0261
Cylinder 1 Injector Circuit Low
1995-2005 Pontiac Sunfire 2.2L I4
Moderate SeverityPowertrainGeneric (SAE)
Description
Low voltage in the cylinder 1 injector driver circuit.
Symptoms
- Check Engine Light
- Misfire cylinder 1
- Rough idle
Common Causes
- Short in injector wiring
- Faulty injector
- PCM driver issue
Diagnostic Steps
- Test injector resistance
- Check for shorts
- Test PCM output
Repair Notes
Repair wiring or replace injector.
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
P0261 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 P0261 mean on a 1995-2005 Pontiac Sunfire?
P0261 stands for "Cylinder 1 Injector Circuit Low". Low voltage in the cylinder 1 injector driver circuit.
What are the symptoms of P0261 on a Pontiac Sunfire?
Common symptoms of P0261 include: Check Engine Light, Misfire cylinder 1, Rough idle.
What causes P0261 on a 1995-2005 Pontiac Sunfire?
Common causes of P0261 include: Short in injector wiring, Faulty injector, PCM driver issue.