Vacuum leak

[Shannon Whitehead]

#101420

Stupid question, but is your gas cap on tight? The most common cause of the 442 code is a loose or faulty gas cap allowing air into the Evap system.

[Shannon Whitehead]

#101661

did the gas cap already.. first thing I did.. next Dr Watson

[Shannon Whitehead]

#13397

need some help . now have code 442 small evap leak

I changed lifters to low bleed style on my crower cam. would low vacuum due to cam cause this. I clear the code drive for a day .. next start in the morning and POOF the code fairy visits

2001 gts

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