runs rough takes longer than normal to crank

Asked by Jan 19, 2017 at 01:34 AM about the 1999 Chevrolet Silverado 1500 3 Dr LS 4WD Extended Cab SB

Question type: Maintenance & Repair

Code p0300 an p0449

2 Answers

7,165

This probably happened after u pumped fuel. P0449 means there's a problem with the Evap system. Solenoid might be stuck open sucking fuel tank fumes and running rich, that will trigger a P0300

725

Try opening you fuel tank cap and crank it like this, maybe it's a quick fix.

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