Question about GMC Acadia
Check engine light just came on today. Tank is not overfilled, and cap is tight.
Posted on Jan 01, 2019
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Posted on Jan 02, 2017
Your number 1 O2 sensor is bad replace it. this is the O2 sensor attached to your headers. Could be faulty sensor or the air/fuel ratio is offset. But replace the sensor its not running effeciently.
Posted on Jan 12, 2009
I've got a '99 Oddy with the same symptom of gas odor inside and outside of the vehicle. Gas cap was secure and the level of fuel made no difference, so by process of elimination, I checked and followed the fuel lines and made sure there were no cracks that I physically could put an eye and hand on and eventually ended up at the fuel injectors and fuel rail. From there, all you need to do is remove the plastic cover plate from the intake plenum and the injectors will be exposed as well as the fuel rail. Turn the car on and wrap some paper towel over your hand like a mitten and run it over the suspected areas. You'll either find your leak there or the fuel filter located under the rear sliding doors.
Posted on Feb 05, 2009
The gas cap is most likely faulty. The gas cap is an integral part of the evaporative emission system. If it is not sealing or venting properly, it can affect the proper operation of this system. I would replace the gas cap and have the check engine light reset at an autoparts store. Most stores will scan/reset computer for free. Hope this helped and best wishes.
Posted on Aug 07, 2009
Unfortunately, this code has nothing to do with the gas cap....
A code P0446 could mean one or more of the following has happened:
Posted on Nov 17, 2009
SOURCE: 2002 Toyota Echo Check Engine
You should get the problem code ran at a shop or auto parts store. My moms 2003 Toyota Echo check engine light came on and it had a slight misfire, I replaced all the sparkplugs about $20 and no check light.
Hope this was helpful
Posted on Nov 25, 2009
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