purge valve replacement - Engine Troubleshooting


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purge valve replacement

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dog_4003
User

Dec 26, 2011, 9:48 AM

Post #1 of 6 (2752 views)

purge valve replacement	Sign In

i have a 1997 pontiac transport minivan. 164,000 miles, 3.4 v6. the check engine light is on and indicates a bad purge valve. i have looked and looked where is this valve located and if possable if i could get a diagram that would be great. thanks.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 26, 2011, 10:18 AM

Post #2 of 6 (2734 views)

Re: purge valve replacement	Sign In

I'm giving you the location of the Purge switch and valve but be advised that there is no code that tells that valve is bad. It merely indicates an issue it observed in the circuit which may or may not be caused by a faulty valve. It requires further diagnosis to confirm the failure cause.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 26, 2011, 10:22 AM

Post #3 of 6 (2729 views)

Re: purge valve replacement	Sign In

Take codes with a direction NOT that the part is bad. It's located on top of the canister for fuel vapors and may just have vacuum lines or a plug that isn't sending a signal for several reasons such as wire corroded or who knows?

There's also a solenoid for the purge valve and not sure if code can differentiate.

Do you have any symptoms at all with this?

T

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 26, 2011, 10:24 AM

Post #4 of 6 (2725 views)

Re: purge valve replacement	Sign In

Hammer - how the heck are you so fast?

Tom

dog_4003
User

Dec 26, 2011, 11:03 AM

Post #5 of 6 (2716 views)

Re: purge valve replacement	Sign In

there where to codes that kicked at autozone one was small evac leak the other they told me was the purge valve they did say the other code was a purge valve code.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 26, 2011, 1:02 PM

Post #6 of 6 (2703 views)

Re: purge valve replacement	Sign In

You're not listening. That code doesn't mean replace the valve. It means there is a problem in the circuit that may or may not be caused by the valve. It could also be any of the related wiring, a fuse or the PCM itself.
Codes give you specific information about the problem. They do not tell you what part is bad.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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