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2006 Rabbit 2.5 issues w/codes

1162 Views 0 Replies 1 Participant Last post by  elitopus
I have a 2006 Rabbit 2.5 5 speed manual ,with 242,xxx miles on it. I’ve had it since it was a year old, and have kept up with all the basic maintenance. With that being said, it hasn’t needed too much.

Recently I’ve had an issue with the car. I drive it 100 miles a day round trip to work, 5 days a week. Every 2nd or 3rd I have this issue.
The issue is the car start smelling like it is running rich. Not a gas smell, but just a nasty exhaust type smell. When this happens, the car idles lower than normal, (600rpm vs 800rpm) and stalls occasionally at red lights.

Every few weeks I get a misfire in one of the cyclinders. The check engine light flashes for about ten seconds.

I disconnected the battery for a while yesterday, which cleared the check engine light, and drove the car to work. It wasn’t until I was almost home that the check engine light came back on.
Today I stopped at the auto parts store and got the codes scanned. The codes are

P2097- Post catalytic fuel trim system too rich bank 1

P0171- Bank 1 system too lean

P2196- Oxygen sensor signal biased/stuck rich bank 1 sensor 1

P0171- again

P0481- cooling fan 2 issue. This one I’ve known about for a while. It only comes on in the summer when I use the AC.

Am I correct to assume I need to replace one of the o2 sensors? I’ve replaced the air filter, fuel filter, coil packs, spark plugs, and crank pos sensor recently.
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