Check VSC, check engine light, & traction control
12-30-14, 05:37 PM
#1
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Check VSC, check engine light, & traction control
All the lights turned on all of a sudden last night driving down the road, my car seems to be driving normal, I haven't noticed anything different in the way it drives but I went to read the codes, which I didn't write down, but it had said bank 1 running rich, what could this be? O2 sensors? If so does anybody have a diagram of the location of them. Thanks in advance!
12-30-14, 07:23 PM
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You didn't list Year, or engine.
But P0172 Bank1 system rich is most likely NOT the B1S1 Air Fuel Ratio sensor.
Generic OBD2 data from a cheap scan tool is useless for the AF ratio sensor data. Factory level or equivelent scan tool will read the data properly to lead to proper diagnosis.
I would suggest getting it diagnosed properly before throwing $$$ at AF ratio sensors and other things.
.
But P0172 Bank1 system rich is most likely NOT the B1S1 Air Fuel Ratio sensor.
Generic OBD2 data from a cheap scan tool is useless for the AF ratio sensor data. Factory level or equivelent scan tool will read the data properly to lead to proper diagnosis.
I would suggest getting it diagnosed properly before throwing $$$ at AF ratio sensors and other things.
.
12-30-14, 07:57 PM
#4
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If everything feels the same/feels fine, it could have been just a loose gas cap. Try loosening and retightening the gas cap. You could also disconnect the negative battery terminal to reset the ECU.
12-30-14, 10:10 PM
#5
Did you connect/disconnect anything recently? I had some issues after disconnecting the MAF to fool around with the headlight and didn't reconnect properly. But once I did reconnect the MAF, the lights went away. If you did anything with the air filter, try that first. You could also try to disconnect and reconnect the battery and see if the problem continues.
12-31-14, 07:34 AM
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Sorry but it's a 07 is250, I cleaned out the maf sensor and reset the car... Im going to see if it throws the codes at me again as of for now my car is still running fine, I currently put a Megan racing exhaust axle back and a resonator delete, would that cause it?
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12-31-14, 07:40 AM
#8
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You didn't list Year, or engine.
But P0172 Bank1 system rich is most likely NOT the B1S1 Air Fuel Ratio sensor.
Generic OBD2 data from a cheap scan tool is useless for the AF ratio sensor data. Factory level or equivelent scan tool will read the data properly to lead to proper diagnosis.
I would suggest getting it diagnosed properly before throwing $$$ at AF ratio sensors and other things.
.
But P0172 Bank1 system rich is most likely NOT the B1S1 Air Fuel Ratio sensor.
Generic OBD2 data from a cheap scan tool is useless for the AF ratio sensor data. Factory level or equivelent scan tool will read the data properly to lead to proper diagnosis.
I would suggest getting it diagnosed properly before throwing $$$ at AF ratio sensors and other things.
.
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