What does smog fail code P0015 mean and how to fix it
It is a cam shaft timing code this can be triggered by late oil changes try and change the oil and reset the light
SOURCE: fault codes ''failed smog check''
http://www.bba-reman.com/content.aspx?content=Ford%20P%20Powertrain%20Diagnostic%20Fault%20Codes
from experience the system is to lean not getting enough gas which causes lost of power pinging rough idoling and it clogs your fuel injectors which will cause failed smog test good luck
SOURCE: trouble codes p0597 and p0015 what they mean
po597 did not see poo15 is camshaft b position timing over retarded or performance problem bank 1. have pcm check sound like its in limp mode.
SOURCE: 2001 volvo s40 trouble code P0015
This is a common issue particularly with vehicles that have had some neglect to the oil change routine. The VVT solenoid on the top of the valve cover gets clogged with thickened or sludged oil.
Replace the VVT solenoid and gasket with a new unit and clear the codes.
SOURCE: What does the code P11151 mean on a failed smog?
Lack of HO2S-21 Switch, Sensor Indicates Lean A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.needs an oxygen sensor.
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