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Replaced purge valve because nipple that hose connects to…

Customer Question
Replaced purge valve because...

Replaced purge valve because nipple that hose connects to was broken now getting p0449 that was never getting before

Mechanic's Assistant: How many miles are on the car? Have you noticed any leaks lately?

123000 miles no leaks

Mechanic's Assistant: What is the model/year of your Chevy?

2009 Equinox AWD 3.4

Mechanic's Assistant: Are you fixing your Equinox yourself? What have you tried so far?

Yes. Had intermittent p0442 and p0171. Started checking lines and hoses and found broken purge valve nipple so line was not connected

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Changed purge valve and cleared all codes and got p0449 as soon as I started the car.

Submitted: 1 year ago.Category: Chevy
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Answered in 12 minutes by:
3/21/2017
Chevy Mechanic: Gunvir Singh,
 replied 1 year ago
Gunvir Singh
Category: Chevy
Satisfied Customers: 2,013
Experience: Master Tech at Kennesaw Auto Tech
Verified

What was the code before and how long was it on for?

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Customer reply replied 1 year ago
Intermittently over the past 4-6 weeks getting p0442 or p0171 or both. Would clear and after a week or so one, the other or both would come back.
Chevy Mechanic: Gunvir Singh,
 replied 1 year ago

So the purge valve nipple broke while fixing it or was leaking for 4-6 week period?

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Customer reply replied 1 year ago
Was probably leaking the whole time. When I touched that hose It moved. So I replaced the purge valve since it was physically broken
Chevy Mechanic: Gunvir Singh,
 replied 1 year ago

On these vehicle's when the purge valve goes out it gives the wrong signal to the vent valve. The vent valve stays stuck open and there is a possibility some moisture got in it and shorted it out. Since p0442 and p0171 codes were present the evap system never completed the test and p0449 never came on. Now that p0442 an d p0171 is repaired , the evap test gets complete and pcm is picking up p0449. So now the evap vent valve needs t be replaced.

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Chevy Mechanic: Gunvir Singh,
 replied 1 year ago

DO you have any other questions?

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Chevy Mechanic: Gunvir Singh,
 replied 1 year ago

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mso-hansi-theme-font:minor-latin;}Please don’t forget to rate my performance in the upper left corner otherwise i don’t get compensated. Thank you and have a blessed day.

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Customer reply replied 1 year ago
I'll let you know after I change the vent solenoid
Chevy Mechanic: Gunvir Singh,
 replied 1 year ago

ok.

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