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" 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
P0014
Camshaft position sensor, timing over advanced.
I have read some bulletins regarding Camshaft position issues with these vehicles, much of it revolves around a PCM operating on outdated software, an update to the PCM may cure it all, otherwise the Cam position sensor will probably need to be replaced as it is reporting it's position incorrectly. The fact that it is not malfunctioning completely leads me to this. In my experience the CPS either works or it doesn't.
Also check to be sure all the wiring going to the sensor is clean and tight.
My first approach would be the PCM update, this may be covered under warranty so check with the dealer, that way you know none of the codes are " phantoms" caused by the car's computer and not an actual malfunction
What else can I help you with?
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This code is for the exhaust cam actuator timing system. There are a few things that can cause this. Anything from the actuator solenoid, to the actuator, to an internal engine problem. - Tech JK ------------------------------
P0014 diagnostic code in Chevy Trailblazer 2002?
" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)symptomsHard startspoor idlestallingcausewrong camshaft timingWiring issues (harness/wiring) in intake timing control valve control solenoid systemSteady oil flow to VCT piston chamberFaulty timing valve control solenoid (stuck open)The fixReplace the VCT unit or one of its components
What does Diagnostic code P0014 mean for a 2005 Chevy Trailblazer?
This code is for the exhaust cam actuator timing system. There are a few things that can cause this. Anything from the actuator solenoid, to the actuator, to an internal engine problem. - Tech JK ---------------------------
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