Since about the end of last week, my 98 v6 auto 4wd Tacoma has been idling wierd. It will either idle too high, or it will idle too low, sometimes low enough that it will stall. The check engine light just come on today though and I had it scanned at Advanced Auto and they told me what coes it was throwing.
Here is what the person at Advanced give me:
PO 125 - Clsd Loop Fuel, Ctrl Insuff, Coolant Temp
PO 130 - O2 sensor Circuit, Malt Bank 1 Sens 2
PO 133 - O2 Sensor CKT, Slow response, Bank 1 sens 1
The truck runs fine while driving it. I have to set it in nuetral when slowing down because it still wants to drive forward when trying to brake. Sometimes it will idle high enough for me to cruise around 35 mph w/o touching the gas if I'm already moving.
I've checked all the vacuum hoses, and all the sensors under the hood to make sure that every thing is connected like they are supposed to be and I can't see anything wrong visually. I think it is some sensor going bad though.
The truck has a TRD drop in air filter, Magnaflow Cat Convertor, and a glasspack muffler. I know that the high flow cat could be throwing the O2 sensor codes but not completely sure about that.
Did I mention that they truck right now currently has over 351K miles on it. If someone could tell me what all this means with the different codes and how to remedy it, I would greatly appreciate it.