o2 sensor
#1
o2 sensor
I have a 98 ford f150 4x4 with a 5.4 and my cel came on so i had it checked at auto zone and the codes came up as po136 o2 sensor circuit malfunction bank1 sensor 2 and the other code was po141 o2 sensor circuit malfuntion bank 1 sensor 2 so i replaced the o2 sensor on the driver side behind the cat converter went back to auto zone to clear out my codes ,drove the truck about a 100 miles and the cel came back on took it back to auto zone and the same codes appeared has anyone had this problem before or know what the problem could be thanks
#4
#6
It could once warm when the O2's take idle if their really bad. When cold it's all IAC.
let me get this straight , you changed your O2's and your still getting O2 codes? You should be getting around 16 mpg in 98.
The rear O2's have nothing to do with the motor.
let me get this straight , you changed your O2's and your still getting O2 codes? You should be getting around 16 mpg in 98.
The rear O2's have nothing to do with the motor.
Last edited by jbrew; 12-06-2008 at 04:47 PM.
#7
Trending Topics
#9
Only if your getting codes, but it's a general to replace both forwards' at the same time. You didn't answer the codes question , so I assume your not getting them. If that's the case, you need to pull maintenance on your vehicle.
Go tru it. MAF, fuel filter, etc.. - Clean it up.
#11
I have a 98 ford f150 4x4 with a 5.4 and my cel came on so i had it checked at auto zone and the codes came up as po136 o2 sensor circuit malfunction bank1 sensor 2 and the other code was po141 o2 sensor circuit malfuntion bank 1 sensor 2 so i replaced the o2 sensor on the driver side behind the cat converter went back to auto zone to clear out my codes ,drove the truck about a 100 miles and the cel came back on took it back to auto zone and the same codes appeared has anyone had this problem before or know what the problem could be thanks
#12
Dang,Dang,Dang!!! AutoZone told me the same darn thing and I have been scratching my head wondering what the hell as I still had the same code after changing the 02 sensor! They said it was the rear one on the Driver's side and now I see it is actually the rear on the Passenger's side. And of course, I already threw the old one away!
Dang,Dang,Dang!!!
Dang,Dang,Dang!!!
#13
Dang,Dang,Dang!!! AutoZone told me the same darn thing and I have been scratching my head wondering what the hell as I still had the same code after changing the 02 sensor! They said it was the rear one on the Driver's side and now I see it is actually the rear on the Passenger's side. And of course, I already threw the old one away!
Dang,Dang,Dang!!!
Dang,Dang,Dang!!!
get you a chilton or haynes manual, its been a life saver for me