P0442 EVAP leak

Tiny
VSTEADY
  • MEMBER
  • 2004 CHEVROLET CAVALIER
Code p0442 every 2 days engine light comes on evap small leak detected have checked some lines but code keeps coming back evap pcode p0442 every 2 days engine light comes on evap small leak detected have checked some lines but code keeps coming back evap purge code p0442 every 2 days engine light comes on evap small leak detected have checked some lines but code keeps coming back evap purge
Saturday, May 25th, 2013 AT 12:12 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Small leaks can be troublesome MIL will reset after 40 warm up cycles so MIL goes out in 40 warmups back on again.
The way to find and repair is to have an EVAP smoke test done this will ID leak
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Saturday, May 25th, 2013 AT 12:25 PM
Tiny
VSTEADY
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  • 2 POSTS
Ty but ive never heard of smoke test cam it be done easily
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Friday, May 31st, 2013 AT 5:11 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Very common test dealer can do and most repair shops have equipment
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Friday, May 31st, 2013 AT 6:01 AM

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