Question about 1988 Buick LeSabre

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1988 buick la sabre trouble codes

I have a 1988 buick lesabre with trouble codes 23 and 34 what are these for?

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Code 23 is mat sensor signal low wich is the manifold temperatur sensor return valtage is low to the computer. check for a sensor that is on the air cleaner housing that has two wires on it. the connector on the sensor is grey in color. if it's not unplugged replace it.
the code 34 is for the map sensor wich is located on top of the engine. but if you have a bad map sensor you would be writing in for a rough running car or something.
was someone unplugging stuf when this thing was running at one time? - good luck

Posted on Sep 05, 2008

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Posted on Jan 02, 2017

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