" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
symptoms
Hard starts
poor idle
stalling
cause
wrong camshaft timing
Wiring issues (harness/wiring) in intake timing control valve control solenoid system
Steady oil flow to VCT piston chamber
Faulty timing valve control solenoid (stuck open)
The fix
Replace the VCT unit or one of its components
Trouble code P0506 means:Idle control system RPM lower than expected
the 1028 is trouble code for thermostat low temp check temp gauge for low temp replace thermostat
Trouble code P0014 means: "B" camshaft position - timing over-advanced (Bank 1)
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
Random Misfire.
misfire # 1 cylinder
Trouble code P0606 means:PCM processor fault Might have to replace the PCM
Code B0265
Shift Solenoid A Error
Where to hook code reader 2002 envoy