01 Silverado running rough.....SES light on

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01 Silverado running rough.....SES light on

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Chevrolet >> Chevy Trucks, Vans & SUV's >> Silverado >> 01 Silverado running rough.....SES light on

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01 Silverado running rough.....SES light on - 12/2/2007 12:57:06 PM

dave79

Posts: 1
Joined: 12/2/2007
Status: offline

2001 Silverado 1500 5.3

Ok a few days ago my SES light came on and it started running somewhat rough. I already had new plugs and wires on hand so I put them in and the SES light went away and all was well, for one day anyway........ So this morning it starts doing the same thing again! It smells a little gassy "fuel" under the hood. I'm sure this could be about 50 differents thing but what could be the likely causes here?