What's up guys, I got this cel today. Seems to be the Evap system, read up on it would it be the Evap solenoid on the intake manifold?

Just don't wanna spend the money and it's not that lol..

Thanks for all your input!

 

Bump?...

 

Anybody got info... Helpz pleaz. Lol

 

I had that code, 0496. Took off my evap solenoid on the intake manifold and blew into it, it was bad, when you blow into it it should not let any air through. Replaced. never had a problem since.

 

Heres a vid on how to test it.

DDMWorks - EVAP Solenoid Testing and Replacement on Ecotec engines - YouTube

if it don't work they got it on ebay for $10

eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices

I had the p0455 code and changed it last week the cel is gone. Hope this works.

 

If I take it off and blow and air goes thru then it's bad? I'll do this tomorrow!

 

that is correct.

This is likely the issue and apparently this is a common "failure" point on these cars.

 

Yep will check it out tomorrow and prob order it from eBay!

 

i had this same code come up. it did turn out to be the evap purge solenoid. i started to have problems startin it everytime i put gas in the car to. i actually went to the dealership and got the part...after i ordered it on amazon and they sent me the wrong part. but the dealership was actually just as cheap as orderin it online plus i didnt have to wait for the part. it only costed me $30. and it only take 2 seconds to replace it. i aint had a single problem since.

 

Same here whenever I get gas no matter how much as it is, it will start then sound like its gonna die for a sec, then idle okay. So wierd.

 

Yep same thing happened to me. I actually changed the Vent Valve first but it turned out to be the Evap purge valve on the manifold.

 

Well took it off and blew, air goes right thru think I found the problem lol.

 

And one more question on first startups does it sound kinda Lopey, like the idle is real low kinda like it has a misfire?

 

Yea it will cause weird idle. LTFT and STFTs go a bit crazy with this problem.

 

Figured that!!

 

will this make you have a misfire in cylinder 3 as well? because i have all of those codes and a misfire code

 

It might.. Not sure. I switched out m Evap solenoid an all is well lol.

 

I actually had misfires with this problem, I got p0300, p0303 and p0496. replaced plugs + evap purge...never happened again

 

yeah the evap purge fails all the time, i am on like my 2nd one in less than 2 years of owning the car, look online for one may be a little cheaper

 

i got a code for a misfire on all 4 cylinders then a seperate code sayin random misfire. lol. replaced all 4 spark plugs and went a step colder than stock and aint had a problem since.

 

replaced the solenoid again and it was completely shot. i could blow right through it..hopefully i will get longer than 6 months outta this one.

 

anyone have a part number for the solenoid?

 

If you got an Oreilly's down there its 24 bux.. N tha part no. is cp573

 

thanks!

 

ok so i tested my purge solenoid and its good. so what else could be the issue here?