What are chances all my 02 sensors are bad?
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Rock Crawling
Joined: Sep 2011
Posts: 330
Likes: 22
What are chances all my 02 sensors are bad?
Car is running fine. Getting usual gas mileage. Have reset all codes past week and still getting 02 faults pretty much all 4 I believe. Here is screen shot of today. I’ll ad more. I plan to bench check them soon.
Pro Wrench
Joined: Nov 2015
Posts: 1,935
Likes: 189
From: Coastal Georgia
Not much chance if out of the blue.
FYI,
It's a good idea to check your codes in the Rave Workshop manual for LR's description.
Doesn't appear your four codes indicate four bad sensors.
.......
P0134 O2 sensor circuit no activity detected (bank 1,
sensor 1)
Front sensor LH bank open circuit
P0135 O2 sensor heater circuit malfunction (bank 1,
sensor 1)
Front sensor heater LH bank - short/open circuit
P0150 O2 sensor circuit malfunction (bank 2, sensor 1) Front sensor RH bank stoichiometric ratio outside
operating band
P0174 System too lean (bank 2) Multiplication injector adaptive fuelling - lean limit
exceeded RH bank
sensor 1)
Front sensor LH bank open circuit
P0135 O2 sensor heater circuit malfunction (bank 1,
sensor 1)
Front sensor heater LH bank - short/open circuit
P0150 O2 sensor circuit malfunction (bank 2, sensor 1) Front sensor RH bank stoichiometric ratio outside
operating band
P0174 System too lean (bank 2) Multiplication injector adaptive fuelling - lean limit
exceeded RH bank
It's a good idea to check your codes in the Rave Workshop manual for LR's description.
Doesn't appear your four codes indicate four bad sensors.
.......
TReK
Joined: Feb 2009
Posts: 2,186
Likes: 200
From: Linden, NJ
Best before doing any O2 replacement is to clean the MAF first with MAF cleaner. Saturate it until it drips and let it completely dry. Might be dirty and sending all odd signals to both your O2 sensors.
Recovery Vehicle
Joined: Jan 2011
Posts: 1,170
Likes: 300
From: StL, MO
And be sure to only clean the MAF when cold. Don't hook it back up or start the truck until it is completely dry.
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