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Rough and stumble: Can't figure it out 200 1993

posted by  jwalker on  Sun May 11 09:16 CST 2014
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last visit: Fri Jun 6 08:39 CST 2014
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It could be the O2 sensor. Especially if it's the original with 220k...:)

Read the following from the 700/900 FAQ.

https://www.brickboard.com/FAQ/700-900/EngineOBDCodes.htm#LH24FuelInjectionFault

Code 322: Based on that table it could be your AMM plug or wire. the first thing I would do is unplug your AMM and reinstall it with a touch of dielectric grease on the prongs. Also make sure the plug is tightly connected and the prongs are all intact. Check the whole wire's condition.

Code 113: Sounds like this could be an O2 sensor problem. Is it the original @ 220K? If so, that could be it. Test it if you can.

Finally, if it were my car I would also do an exhaustive search for vacuum leaks. A bad vacuum leak can cause the idle/running problems you describe. How is the throttle body hose? Any cracks or leaks? Look it over thoroughly. I'd also test the intake manifold gasket and all your other engine vacuum lines for leaks.

Good luck and post back with your findings!






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New Rough and stumble: Can't figure it out [200][1993]
posted by  mr.zorak subscriber  on Sat May 10 14:28 CST 2014 >


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