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Oldsmobile Forum: 2001 Oldsmobile Intrigue Code P0446
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Old August 17th, 2018
01OldsIntrigueOwner 01OldsIntrigueOwner is offline
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2001 Oldsmobile Intrigue Code P0446

Last Friday and today (Aug. 17th), the engine light popped on and last week when I went to Autozone, they checked the code, and it was a code P0446 (might be the same code again, will check that later on after I get off of work). The code indicated that there was a blockage at the purge vent valve solenoid. My car has over 115,500 miles on it as well, and my fuel gauge is playing tricks (goes to full when accelerating or empty when I still have plenty of miles left), and the issue is the fuel level sensor has stopped working properly since February, 2017 (never leave 1/8 a tank in your car during the below freezing weather).

On Wednesday, Aug. 15th, the code cleared itself and was working without issues. The bad news is, I drive 30 miles (15 miles to and from work and home) 5 days a week and traffic on the freeway is horrible.

Does anyone have a diagram or photos of the exact location for the vent valve solenoid and purge valve for a 3.5L LX5 V6 engine? My plan is to either unclog the valves or replace them (most likely replace them) to prevent my gas mileage from dropping again. I had this issue twice last year in 2017. Also, it's been a while since I was on here last (4 years, 3 months, and 8 days).

I'll post back on here later on if the code is different.

Edit: the code's the same, and taking it to a dealership is out of the question since they, like the EpiPens in the US, charge an arm and a leg to smoke test the canister purge valves and to replace said part. Oy.

Edit 2: the engine light turned off yesterday (might turn on again due to heavy traffic on my way to work). Now I need to clear the ABS code and diagnose what the issue is.

Edit 3: code came back again (Sept. 30th)

Last edited by 01OldsIntrigueOwner; September 30th, 2018 at 12:26 PM.
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