Question about Chevrolet Cars & Trucks
Check engine light on
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 98 Chev Lumina LTZ
I have had the same issue..
I solved it by replacing the Manafold Air Pressure sensor, and the Mass Air Flow sensors, has not had a problem since.
The parts are fairly easy to replace yourself if you are mechanically inclined, however if you do not feel comfortable in doing this work yourself, take it to the shop.
My dad had the same issue on his Buick, and after the factory replaced coil packs, plugs and wires, they finally decided to change out the MAP sensor and that fixed it for him.
Posted on Nov 16, 2008
You could have a restriction in the egr ports. remove the valve. Plug the holes, start engine. 1 hole will be blowing out exhaust, the other will have large vacuum.
Posted on Mar 28, 2009
This code refers to the Idle Air Control Overspeed Error, I would clean the IAC, and if cleaning does not work I would replace it. It is located directly on top of the throttle valve on the intake manifold. Hope this helps, let me know.
Posted on Aug 09, 2010
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