Question about 2004 GMC Envoy
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Posted on Jan 02, 2017
SOURCE: it wont turn on,i have
P0440: This indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine, you will likely not notice driveability problems with this code.
P0014: This indicates a camshaft position sensor problem which could cause your driveabilty issues.
P1345: This is a crankshaft or camshaft position sensor malfunction which could also be an issue with your driveabilty, i would have this checked by a professional scan tool such as a modis.
Posted on Jan 28, 2011
SOURCE: p0014 and p1345 codes
The P0014 is a cam phasing code. The phasing system is a hydraulic actuated phase shifting system and is vulnerable to dirty oil. If its been sometime since your last oil change I would recommend that you start with that. The control module turns off the MIL after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
The P1345 could be caused by the P0014. The powertrain control module monitors the correlation between the crank and cam positions and if the deviation between the two exceeds a predetermined amount it will set the code.
Posted on Feb 26, 2011
P0014 - "B" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
Basically that means that there is a mechanical problem with the variable camshaft timing system. I'm seeing the following information as potential causes of a P0011 engine light code:
Honestly I don't see this as a DIY-type fix, especially considering
the vehicle is so new. Unless your mileage is really high it should be
under warranty (Hyundai has the best warranty in the business). So be
sure to take it back to the dealership and have them fix it, you
shouldn't need to be too concerned about how it's fixed, as long as its
fixed right. Good luck!
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Posted on Nov 05, 2011
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