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Greg A
Greg A, Master Troubleshooter
Category: Pontiac
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Experience:  Working with Electronics & Cars for 25+ Years
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1998 Pontiac: trouble code p1665, I have found..it is for my van

Resolved Question:

I have a 1998 Pontiac transport Montana. I have a trouble code P1665, I have found about 4 different answers to what this means. None of them say that it is for my van. What does it mean?
Submitted: 5 years ago.
Category: Pontiac
Expert:  Greg A replied 5 years ago.

Hello & Welcome,

 

Just to verify, do you have the 3.4L engine?

 

Thanks

Customer: replied 5 years ago.
Yes it is a 3.4
Expert:  Greg A replied 5 years ago.

Hi again,

 

Hopefully I can get this to you, as I have been having network issues.

 

Here is a chart for that particular code, and yes, this is for your specific vehicle & engine. This code is the circuit, not necessary any particular part, so make sure the wiring is tested.

 

The link below is a PDF file and you should be able to click on the link to view the file on your computer and print it out. The second link is the procedure to replace the canister, but I have included it ONLY to show you where it is.

 

P1665 Chart

 

EVAP Canister

 

Please let me know what you find or if you need more information.

 

Take Care, Greg A.

Customer: replied 5 years ago.
Will this code keep the van from starting?
Expert:  Greg A replied 5 years ago.

I don't believe it would, at least not the code, but there could be other issues with the fuel system, which this is a part of.

 

Thanks

Customer: replied 5 years ago.
My code readers says "fuel level output circuit"
Expert:  Greg A replied 5 years ago.

Do you have the actual code for that one?

Any other codes?

Customer: replied 5 years ago.
That was the P1665. I had a P0440 code that said it was the canister, put it cleared and the P1665 did not clear. I am using a brand new Autoxray Code scout 2500 to read the code.
Expert:  Greg A replied 5 years ago.
I don't have that particular scan tool, but I am wondering if there is a setting for a particular manufacturer (GM) to decode the codes about 1000? I think they may be specific to brand.
Customer: replied 5 years ago.
It Ford, Dodge, GM, etc. I am reading it under GM.
Expert:  Greg A replied 5 years ago.
I don't know why it is giving you that message for the 1665 code. The description I gave you is right from the factory manual. Perhaps the software inside the tool is wrong or needs to be updated? I checked the autoxray site and it says that updates are available via the internet.
Greg A, Master Troubleshooter
Category: Pontiac
Satisfied Customers: 6250
Experience: Working with Electronics & Cars for 25+ Years
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Greg A
Greg A
Pontiac Mechanic
6250 Satisfied Customers
Working with Electronics & Cars for 25+ Years