All of a sudden, my C220 would not stay on idle. It starts fine but when I let off gass it dies. I wasn't sure what was causing it, I thought maybe bad gas so I added HEET last night. Started it this morning and it seems to stay on but barely. I drove around and seems to continue staying on.

I did spray the MAF with brake clean but that did not show any improvement.

If there is water in the tank, I'm hoping that it will continue to diminish. The tank is 3/4 full.

Wiring harness was also recently replaced with a new one.

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the sooner you start... the sooner you'll get done If it ain't broke, don't fix it.. Its always simpler to tell the truth...
2007 Honda Accord EX
2007 Honda Accord SE V6
96 C220
97 Explorer - Found Another Home
2000 Honda Accord V6 - Found Another Home
85 300D - Found Another Home
84 300D - Found Another Home
80 300TD - Found Another Home
Previous cars:
96 Caravan
87 Camry
84 Cressida
82 Vanagon
80 Fiesta
78 Nova
Ford Cortina
Opel Kadet
68 Kombi
Contessa