Trouble code P0506 means:Idle control system RPM lower than expected
Trouble code P0506 means: Idle control system, rpm lower then expected
Trouble code P0506 means: Idle control system, rpm lower then expected
Trouble code P0506 means:Idle control system RPM lower than expected
Trouble code P1507 means: Idle Air Control Underspeed Error (see P0506) Trouble code P0506 means: Idle Air Control System RPM Lower Than Expected Replace the Idle Air Sensor
the 1028 is trouble code for thermostat low temp check temp gauge for low temp replace thermostat
Trouble code P0506 means:Idle control system RPM lower than expected
P0506 Idle Air Control System RPM Lower Than Expected
Trouble code P0506 means: Idle Air Control System RPM Lower Than Expected
Trouble code P0440 means:Evaporative emission control system malfunction
Engine coolant Sensor is bad. I have the same error on my 2005.
2004 gmc envoy with code p0128
Trouble code P0606 means:PCM processor fault Might have to replace the PCM