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Old Oct 8, 2011 | 07:30 PM
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fastfive's Avatar
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Default check engine
my check engine light came on and had it looked at and they said it was 301 and 304 cylinders what could that mean
 
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Old Oct 9, 2011 | 04:55 AM
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There's a air leak between those cylinders maybe? Might need to replace a gasket or something
 
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Old Oct 9, 2011 | 08:56 PM
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Cylinder #1 misfire and cylinder #4 misfire. Sounds like you need new spark plugs and coil packs (and maybe wires). What year car and engine?
 
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