2021年6月26日 · Drive around to your hearts content and no code gets set, that is, until you get down to exactly 1/4 tank of gas at which point, the next time you start the engine, and the …

2020年10月17日 · Recently bought at a government Auction 2009 Yukon XL 2500 4x4 6.0L Scanned the Yukon and found a P0442 Permanent code (no check engine light) I Based the 2 …

2012年9月10日 · My 2007 SLT Yukon got a CEL yesterday that I scanned to be P0442 EVAP Small Leak Detected... I have cleared the code, checked the gas cap, it does seem OK to me. …

2021年6月26日 · Everything was checked or replaced and it still throws the code. Like clockwork. I did talk to a couple of GM techs about this and they said that there is some kind of vacuum …

2013年12月24日 · All was good for a couple of months, then P0442 code turned light on. I purchased a new OEM gas cap off Amazon and I cleared the code with my reader. Then a …

2021年1月14日 · Ive had a P0442 code for quite a while and every now and then I get the urge to look into it. Replaced the gas cap and the Purge solenoid. Neither of those fixed it. I did find a …

2019年9月13日 · Our 09 Tahoe gave codes P0442 & P0449. Awhile back the 442 came up, replaced the gas cap with a GM cap from GM Part Direct. Just the other day 442 & 449 came …

2009年7月19日 · For those of you getting this code (P0442) I found the solution to it it was the gas cap that throws up that code. I had to re-tightened the gas cap and manually remove the code …

2021年4月29日 · Good evening, so I’ve been getting a p0442 code (small evap leak) now I’ve already changed that one part before, I forgot what it was called but I had to remove the spare …

2014年12月9日 · the engine-off small leak test, P0442. P0452 The FTP sensor voltage is less than 0.1 volt for more than 5 seconds. P0453 The FTP sensor voltage is more than 4.9 volts …