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my first "CHECK ENGINE" light

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Old Nov 17, 2007 | 02:50 PM
  #1  
CALVIN305's Avatar
CALVIN305
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Default my first "CHECK ENGINE" light

took the dodge to autozone this morning and the code that came out was P0133 which said it was a o2 sensor bank 1 low voltage. that means it is the pre cat o2 sensor right? on a 1996 would that be on the Y pipe or on the cat just before it splits into the Y pipe?

is there any quick fixes? i know my gas mileage sucks so besides buying a new o2 sensor which i will prolly end up doing. is there anything i can do now?

btw. i did erased the code and the check engine light has not come back on. ive driven it about 20 miles now. is that normal? i would have thought it would still come back as bad.

thanks
 
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Old Nov 17, 2007 | 04:02 PM
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Default RE: my first "CHECK ENGINE" light

p0133 is 1/1 o2 sensor slow response...
The following are possible causes for O2 Sensor Slow Response: exhaust leak, fuel
contamination, O2 sensor failure, electrical wiring connectors, electrical mechanical,
and O2 heater failure.

Turn Ignition On (Engine Off).
Using a voltmeter, backprobe O2S (Sensor Ground) Circuit between O2S Connector
(Sensor Ground) and PCM Connector (Sensor Ground).
Is the voltage drop reading below 0.10 VDC?

If YES- Replace o2 sensor
 
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Old Apr 24, 2009 | 09:34 AM
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XXL 1500,

Could you explain the check procedure a little more in detail? I need to check mine and don't quite understand what you are saying.

thanks
 
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Old Apr 24, 2009 | 11:02 AM
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You've been a member for a year and this is your first CEL? WOW! haha.
 
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Old Apr 24, 2009 | 11:31 AM
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ive had my truck for 2 years and just got my first one about 3 weeks ago when i noticed my coolent level was going down but not leaking. dam cracked heads! had it not ideled rough i prolly wouldnt have cought it.
 
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