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Wow , my 95 850 odbc 1 has a check engine light . 1 1 3 code 850 1995

posted by  Three5bangers on  Thu Feb 18 15:34 CST 2021
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last visit: Thu Jan 17 20:50 CST 2013
[RELATED]

It popped on, it was pretty cold out. I drove it for 11 miles. I then pulled codes out of a A B ODBC 1 thing by the passenger headlight. Code was 1 1 3, i have pulled codes in the past and never had a real error. My Hayes page 4-7 indicates this is 'Short term fuel mixture too weak'. I routinely disconnect the battery when temps are below 25F as it seems to have a bad cell, the CEL was off at next restart a week later, battery was disconnected for a week.

NO RUSH, and it's gone for now but if anybody has a BTDT on 1 1 3 over the next 5 years chime in. Typically I can have problems linger for 5+ years, so a response is always welcome, even in 2026.








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    posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

    When you disconnect the battery, all of the codes get erased. The 1-1-3 will eventually come back after so many drive cycles. While it could be the O2 sensor, I would first look for any potential air leaks that would allow non-metered air into the intake - cracked vacuum lines or elbows. Loose connections from the air filter box to the throttle body. An exhaust leak before the cat.

    --
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      posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

      Code hasn't returned. Code might mean my o2 sensor actually works I wondered if it was totally dead. Soon after car was off warantee the dealer told me my manifold has a crack. I never did look for it but only recently learned that a crack can fool the system. As I side note, after 26 years maybe I could break new ground and by a can of MAP sensor cleaner. Might at least be a good preventative if the car has a MAP or something that could be cleaned.



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        posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

        The code may take a couple of hundred miles or 20 engine starts before it comes back. Yes, there is a MAF between the air cleaner and the throttle body. But I suggest NOT cleaning it unless you get a MAP specific error.

        A cracked manifold, exhaust or intake, could be a problem. But I suggest that the dealer fibbed. After 70K miles, the crack should have gotten large enough to be noticeable and annoying. Most shops had very little knowledge of 850's back then.

        An O2 sensor at 130K miles is quite old and lived a good life. It may be time to retire it?

        I would still take a good look at ALL of the vacuum lines for breaks, cracks, and loose fittings. Especially the 'hidden' elbow by cylinder #1 - a pain to inspect or replace. This vacuum line goes to the PCV valve by the throttle body.
        --
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    posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

    See if the code comes back first. 113 can be a weak O2 sensor. Have you replaced your front one yet? That is the usual culprit. The rear O2 sensor can last forever. My 95 855 still had its original rear O2 sensor when I sold it with over 250k on the clock.
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      posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

      My car was built in 94, has the 5 speed. Doesn't have the 2nd sensor. The front sensor is original, it hasn't wanted to come out. No wiring for 2nd sensor either.

      My mileage is around 130k, original owner.

      Yes, I'm going to be very chill about the whole thing.



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        posted by  someone claiming to be on  Wed Dec 31 18:00 CST 1969 [RELATED]

        I would first see if the code comes back before doing anything.

        Does the car have any running issues?

        If you indeed have an issue, you can do an electrical test on the O2 sensor. I wouldn’t just randomly replace it. Troubleshoot the issue. There are other possibilities that can be checked.

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