[billymade]

I had to reset my car by touching the positive and negative battery cables for 30 seconds (both removed from the battery) and then the computer fully reset, trouble codes went away (when I installed the new 02 sensor; I had cleared the codes and they came back with the same codes as before). Did you test your sensors with a multimeter and confirm they were bad? What brands of 02 sensors did you buy and what part #'s? Bosch is the best way to go (original oem) and you can look up the part here:

http://www.boschautoparts.com/vehiclepartfinder/pages/vehiclepartfinder.aspx

Please post any and all codes that are coming up and also what the brand, part #'s of the sensors were.

 

[billymade]

What scanner are you using did you do a hard reset of the ECM by touching the positive and negative battery cables together for 30 seconds?


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[billymade]

If they keep coming back and you have tried clearing the ecm by the scanner and by touching the battery cables. Then most likely you have a "hard fault"; so that typically comes down to:

1. wiring problem
a. test the wiring (look in the service manual for instructions); check for physical damage in the wiring, plugs, sensor pins/connector etc.

2. component failure/bad/wrong part

a. make sure the parts are the right ones (could be incompatible with your car)
b. test/compare the the old/new sensors for correct operation