Quote:
Originally Posted by sreilly77
Ok so I unplugged the MAF sensor and nothing changed. I spoke with someone who worked for GM and said that it sounds like the engine may be getting too much back pressure. So the catalytic converters may be beginning to clog up. So this weekend I'm going to cut the cats off and clamp on test pipes and see what happens.
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A normal cat/exhaust restriction will cause miss fires and low power.
should get p0300 code.