2004 Jeep Wrangler Q&A

2004 Jeep Wrangler Question: MY CHECK ENGINE LIGHT IS ON AND THE COMPUTER SAID CHANGE OXYGEN SENSORS AND I CH

I CHANGED ALL 4 AND THE LIGHT IS STILL ON -
Answer 1
double check all connections to be clean and tight, look for posible fuse, you may need an advanced scanner to check if the sensors are reading.also try resetting computer.. -
Answer 2
disconnect your battery for 10mins. this will reset all the readings. or if you have a code reader. you can reset pcm, any time you have a o2 serser code. you have to reset. check AUTO ZONE THEY CAN HELP, theyallways have a code reader handy. -