Problems with OD (noob learning)
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Registered User
Joined: Aug 2009
Posts: 41
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From: Momoxpan Cholula Puebla México
Ok I got this results on OBD
Error codes:
12 Direct battery input to PCM was disconnected within the last 50 key-on cycles (I really dont understand this one)
22 Engine coolant temp sensor out of range
21 02s sensor problem
33 A/C clutch relay circuit (A/C gas ran out)
13 No change in MAP from start to run
52 Fuel system rich
55 End of codes
Error codes:
12 Direct battery input to PCM was disconnected within the last 50 key-on cycles (I really dont understand this one)
22 Engine coolant temp sensor out of range
21 02s sensor problem
33 A/C clutch relay circuit (A/C gas ran out)
13 No change in MAP from start to run
52 Fuel system rich
55 End of codes
Hall Of Fame
Joined: Aug 2007
Posts: 10,923
Likes: 19
From: NM
Damn. Well 12 is normal. But the rest is not. I would suggest unplugging the battery to reset the computer. Then see which ones comes back. Some may just be a fluke. The ones that return, replace the sensor it says.
Champion
Joined: May 2008
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From: Apex, NC
I still don't see how the computer even allows the OD shift after seeing all the codes thrown.
Veteran
Joined: Dec 2009
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Pushing the OD button does turn off OD.
Lobo...do as suggested. Disconnect the battery cables for about 15 minutes, then hook them back up...this reset's the computer under the hood. Drive it for a couple of days, then pull the codes again...any that return need your attention. At worst, you're looking at an engine coolant temp sensor, O2 sensor(s) and MAP sensor. Any or all of these could cause a rich fuel mixture. Before you replace a sensor, check its electrical connector to make sure its working before you assume the sensor is bad.
Lobo...do as suggested. Disconnect the battery cables for about 15 minutes, then hook them back up...this reset's the computer under the hood. Drive it for a couple of days, then pull the codes again...any that return need your attention. At worst, you're looking at an engine coolant temp sensor, O2 sensor(s) and MAP sensor. Any or all of these could cause a rich fuel mixture. Before you replace a sensor, check its electrical connector to make sure its working before you assume the sensor is bad.
Thread Starter
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Registered User
Joined: Aug 2009
Posts: 41
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From: Momoxpan Cholula Puebla México
Pushing the OD button does turn off OD.
Lobo...do as suggested. Disconnect the battery cables for about 15 minutes, then hook them back up...this reset's the computer under the hood. Drive it for a couple of days, then pull the codes again...any that return need your attention. At worst, you're looking at an engine coolant temp sensor, O2 sensor(s) and MAP sensor. Any or all of these could cause a rich fuel mixture. Before you replace a sensor, check its electrical connector to make sure its working before you assume the sensor is bad.
Lobo...do as suggested. Disconnect the battery cables for about 15 minutes, then hook them back up...this reset's the computer under the hood. Drive it for a couple of days, then pull the codes again...any that return need your attention. At worst, you're looking at an engine coolant temp sensor, O2 sensor(s) and MAP sensor. Any or all of these could cause a rich fuel mixture. Before you replace a sensor, check its electrical connector to make sure its working before you assume the sensor is bad.
YESER!!! Ill do it, thnx
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Registered User
Joined: Aug 2009
Posts: 41
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From: Momoxpan Cholula Puebla México
Fixed it the vibration was just a broken U joint I noticed that parts even have a small oliers (graceras). Jesus, all the services that Im giving to my truck are the first ones!!damn!