I am getting an engine code p1128 it did not come on until i put in new o2 senors i also put in a new map sensor, does anyone know what i can do to fix this, could one of the o2 senors be bad.

i have a 2006 ram 4wheel drive 2500 with 5.7

thanks

 

I would think it would have more to do with the MAP sensor than the O2s. Bad or you ain't got it plugged in good. I've seen new ones not work because of being handled and having oils/etc. from fingers on it...

 

checked the conection on the map sensor, looked good, now im getting the codes p0305, p0132 and still getting p1128, everything is pointing to a bad o2 sensor or the wiring for it what do you guys think

 

Those are engine misfire codes, don't really see how a bad o2 is going to cause the engine to misfire, but if it started right after you put the sensor in, yank it and replace it. Would rule it out, anyway...

 

would anyone have a clue on which sensor i should replace , left side or right side, before cat or after cat

 

If you still have your old sensors, swap them one at a time to see if there is any change. Were you having any codes before the swap?

 

My cousin works at a dodge garage ,he said about changing out the left precat o2 sensor, so ill try that and go from there

 

I got a P1128 code error. Ask mechanic what it could be but gave me a long list of possible problems so I was not amused by their diagnosis. So I attached an Autel 519 Scanner and said oxygen sensor temperature heater error on bank 1. There are 2 sensors that I could find....Bank 1 upstream and bank 1 down stream.....

I took a chance and replaced the upstream oxygen sensor. Problem solved....