Question about 2007 Chevrolet HHR Special Edition
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Posted on Jan 02, 2017
SOURCE: O2 sensor and EVAP issues
P0446 is Aux Emission Control
P0132 Fuel Air Metering
The Evap Canister is located in the fender well, if I am not mistaken and the B1S2 is the O2 sensor is the second O2 sensor on the left side of the engine if your looking at it from the front of the motor.
Posted on Aug 23, 2008
P0496= EVAP Emission High Purge Flow Fault. Now what that means, I don't know. I am having the same exact problem with my 2006 Cobalt LT.
Posted on Aug 13, 2009
It is probably the sensor before the cat. if it has a heater. The heater circuit going bad is a common problem, it does not affect the way the car runs after it warms up, it is an emission device to heat the O2 sensor up quicker than the hot exhaust gas would. It should be replaced because it will keep your check engine light on and you would not be able to pass an emission test.
Posted on Oct 12, 2009
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