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OBD 2 Trouble Code 1174 Fuel Trim malfunction

Tiny
RONCHANIC
  • MEMBER
  • BMW 318
Hello forum, I have a 98 318ti 192,000 miles on it and I just got a check engine light lit up and scanned it. The code that came up is:
P1174 Fuel Trim Adaptation Additve Bank 1 Malfunction

Do you know where I need to look in the engine to troubleshoot this? I know its within the fuel realm but need to know where bank 1 locations are. I want to get this repaired so I can pass smog in December.

Thanks.
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Saturday, September 22nd, 2007 AT 11:15 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
The 318 can be a challenging car to smog.
First thing I would try is to clear the faults and reset adaptations. Then see if your monitors run to completion.
This sounds like a possible "problem child"
repost and keep me in the loop
Dr. Hagerty
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Sunday, September 23rd, 2007 AT 8:40 AM

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