![]() ![]() This is a first for me and I have never seen an issue like this before. Any help? I cleaned all 02 Sensor connections with cleaner and everything looks good. I just think its Weird how I can not clear the code and make it stay gone before I even start the truck. I can get into the gas throttle more and it pushes through it great. I also notice before the check engine light appears that when lightly getting into some speed from pulling out that I feel a bog down some not much but its there. Once that happens the idling can become up and down some. After the OBDII re-reads the codes again after it clears and says delete complete it has the same codes! I turn off the key start the engine and the check engine light is off but after about 15-30 mins of driving the check engine light comes on again. I used a OBDII and cleared the codes, never starting the engine at all. ![]() ![]() I replaced both of the 02 sensors with Denso Brand. I just got this Tundra had a P0420 on bank 1 which should be driver side upstream & P0430 Code which should be passenger downstream. ![]()
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