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Registered
2000 Eldorado
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25 Posts
Discussion Starter #1
I am seeing codes p0036, p0140, b1312 and b1314. I can't believe all the sensors could go bad at once. I have searched the forums and got no real answer. Anyone have an idea? Is there one sensor that if bad could throw codes on the other one? I appreciate any scientific wild ass guess (SWAG)you might have, LOL! :hmm:
 

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Registered
2000 Eldorado
Joined
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25 Posts
Discussion Starter #4
These codes are current:
P0036 - Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2
P0140 - Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 2
B1312 - High Side Temp Sensor Open Circuit
B1314 - Evaporator Inlet Temp Sensor Open Circuit
 

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Super Moderator
White Diamond '03 DHS (with DTS floor shift)
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87,118 Posts
1312 & 1314 are A/C codes and are likely what is causing the problem. Either two bad sensors or a wiring problem.

The other two are obvious. You need to replace the O2 sensor.
 
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