evap system

Asked by Feb 06, 2016 at 12:45 PM about the 1994 Chevrolet Suburban C1500

Question type: General

How do i find a leal in my
evap system

7 Answers

52,065

Is this a po442 code?

1 out of 1 people think this is helpful.
4,915

getting a check engine light?

1 out of 1 people think this is helpful.
61,335

Check for damaged or disconnected vacuum hoses. If this checks out you'll want to have a smoke test done. This will pinpoint the smallest leak. HTH. -Jim

1 out of 1 people think this is helpful.
4,915

might be a loose or missing gas cap~

4,915

smoke test?, Jim, that's mighty creative...ain't never seen that done~ not with tobacco smoke~!

1 out of 1 people think this is helpful.
61,335

Lol, harmless smoke is forced into the fuel system and the mechanic will look for the smoke coming out of the EVAP system. HTH. -Jim

4,915

where might the smoke be puffin' out? do remember from my poverty days would simply trim the puffy end off and put the same hose back on~...this is a "slimey mike" repair...what got through my poverty in Wisconsin days...cracked plastic manifolds? bad gaskets? deteriorated rubber?...have a little trouble Smoke puffin out~...something that drastic would hiss and become apparent~ glad to "see" you all again, btw!~

1 out of 1 people think this is helpful.

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