| From | Message |
Lowell
Dodge Dakota
JOIN HERE
9/03/2015
17:05:26
|
 Subject: O 2 sensor malfunction
IP: Logged
Message:
Igor a O2 SENSOR CODE.I replaced both. A few days
later, same code p0138. Checked harness wire for
12 volts, no power! In fuse box under hood, fuse
for sensors no power when key is in run position.
Where do I check the pcm for output voltage for
the sensors??
|
AandPDan
Dodge Dakota
JOIN HERE
9/04/2015
00:14:57
| RE: O 2 sensor malfunction
IP: Logged
Message:
Year/Engine?
Was the truck running when you took your measurements? The ASD relay will kill power to the O2 sensors.
|
Lowell
Dodge Dakota
JOIN HERE
9/04/2015
07:55:53
| RE: O 2 sensor malfunction
IP: Logged
Message:
No, Key in run position only motor off. 2001
4.7 v8.
|
AandPDan
Dodge Dakota
JOIN HERE
9/08/2015
08:48:27
| RE: O 2 sensor malfunction
IP: Logged
Message:
What brand O2 sensors did you buy? If Bosch, replace them with NTK or Denso. Our trucks do not like Bosch - period.
You need the truck running to make the measurements.
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