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P0300 code
Yes of course. Be senseless not to clear the code ..Lol- BarryC
- Post #3
- Forum: HUMMER H3 2006-2010; H3T 2009-2010
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P0300 code
Absolutely did n do...also replaced the mass air flow sensor as well...been working on vehicles for over 40 years, never came across a P0300 code! Fkng pain in the ass!!!- BarryC
- Post #3
- Forum: HUMMER H3 2006-2010; H3T 2009-2010
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Random Cylinder misfire P0300 Code!
ALL OEM PARTS!- BarryC
- Post #4
- Forum: HUMMER H3 2006-2010; H3T 2009-2010
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Random Cylinder misfire P0300 Code!
Replaced Plugs, and Coil packs! Still throws the engine light!? New fuel pump 2 years ago as well! No rough idle and no surges or power loss?! I'm about at wits end??!!! Any help is greatly appreciated!!!! Thanks in advance, 2006 H3 won't pass emissions cause a this!!!!- BarryC
- Thread
- Replies: 6
- Forum: HUMMER H3 2006-2010; H3T 2009-2010