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code 512 long term fuel trim to rich 850 1995

My 850 wagon is giving me this code. I have replaced the intake gasket throttle gasket clean the flame trap replaced all the vacumn connections.I have swap the AMM and this didn't help.When the car is dead cold it runs great but after it get hot the idle surge will start until it cuts off.I looked over the form for this code with no luck.I guess the next thing to replace is the ECT and the O2
this car has three computers to operate.Where do I need to look.
Rodney






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New code 512 long term fuel trim to rich [850][1995]
posted by  rsjones  on Thu Oct 22 17:14 CST 2009 >


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