Re: Evap Code 0442, rough idle, and check engine light - Saab 9-5 Bulletin Board - Saabnet.com
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Re: Evap Code 0442, rough idle, and check engine light
Posted by vikingbobby [Email] (more from vikingbobby) on Mon, 17 May 2010 16:00:22
In Reply to: Evap Code 0442, rough idle, and check engine light, davidgmills, Mon, 17 May 2010 07:10:50
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I have the same persistant P0442 small evap leak code. Changing the gas cap increased the time for the code to return. Believe it or not changing to gas cap is the first thing to try with this code.
In the old days a cracked/crumbling vacuum hose would cause the symptoms you're having... rough idle, stalling, bogging, etc. Today, maybe the same thing, I don't really know. There are so many ridiculous hoses, valves, solenoids on today's cars it's amazing anything gets repaired. Since you say you replaced the entire evaporative system a year ago, maybe something got hooked up wrong, or backwards or omitted, or??? The only way to check for an evaporative leak (other than using a psychic) is to do a smoke test, where they pump smoke through the whole emissions system and watch to see where it leaks. Figure around $100 and up, depending on how large your mechanic's boat is.
posted by 24.91.27...
Posts in this Thread:
- Evap Code 0442, rough idle, and check engine light, davidgmills, Mon, 17 May 2010 07:10:50
- Re: Evap Code 0442, rough idle, and check engine light, vikingbobby, Mon, 17 May 2010 16:00:22 <-- Viewing This Message
- Re: Evap Code 0442, rough idle, and check engine light, SWEDECAR , Mon, 17 May 2010 08:21:56
- Re: Evap Code 0442, rough idle, and check engine light, davidgmills, Mon, 17 May 2010 14:10:50
- Rule out Evap for rough idle, DrewP, Tue, 18 May 2010 14:35:42
- Re: Evap Code 0442, rough idle, and check engine light, SWEDECAR , Mon, 17 May 2010 21:37:26
- Re: Evap Code 0442, rough idle, and check engine light, davidgmills, Mon, 17 May 2010 22:00:35
- Why, davidgmills, Mon, 17 May 2010 22:03:35
- Because, AaronG, Tue, 18 May 2010 07:06:56
- From NPR:, Marcin, Mon, 17 May 2010 11:54:50
- Swede car, did you use any fiberglass reinforcement?, Mark from Toronto, Mon, 17 May 2010 11:28:51
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