99 ML430 Code po141
02-09-2012, 03:49 PM
#1
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Thread Starter
99 ML430 Code po141
Hi,
Code po141 was thrown today. It means :P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Where is the circuit located and does anyone have any idea what the usual fail is?
All answers much appreciated.
Thanks,
Jim
Code po141 was thrown today. It means :P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Where is the circuit located and does anyone have any idea what the usual fail is?
All answers much appreciated.
Thanks,
Jim
05-02-2012, 09:32 AM
#2
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ML430
It's a rear O2 sensor behind the CAT. I think it's the drivers side.
Look behind the front tire there are 4 O2 sensors; 2 before the CAT's and 2 After. The sensors run about $160ea if you want OEM replacement.
I went to Rockauto.com and bought 4x cheap ones for $140.
If you don't have the proper tools you may want to buy the sensor and take it to your mechanic. O2 sensors are stubborn and there locatated between the frame and torsion bars
Cheers!
Look behind the front tire there are 4 O2 sensors; 2 before the CAT's and 2 After. The sensors run about $160ea if you want OEM replacement.
I went to Rockauto.com and bought 4x cheap ones for $140.
If you don't have the proper tools you may want to buy the sensor and take it to your mechanic. O2 sensors are stubborn and there locatated between the frame and torsion bars
Cheers!
