2001 Dodge Ram problem codes

2001 DODGE RAM
170,000 MILES • V8 • 2WD • AUTOMATIC
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DRD132
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i have problem codes p0031 and p0037 showing on my dodge ram 1500. i replaced two 02 sensors. the one before the cat converter and the one after the cat. the engine light went off for about 70 miles then returned. this problem also causes my engine to shudder at random times like it is starving for fuel. i'm not sure if this is related to the problem codes or not. can anybody tell me what to do next. i have already replaced the 02 sensors.
Mar 7, 2010 at 12:54 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BLACKOP555
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how bout you get the codes to me in p0000 format not in two digit code format. that woudl help alot
Mar 7, 2010 at 4:02 PM
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DRD132
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p0031 p0037
Mar 7, 2010 at 4:56 PM
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BLACKOP555
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 10,386 POSTS
do you have access to a scan tool with graphing function? maybe an oscilioscope?

or at bare minimum do you have a good digital multimeter.
Mar 8, 2010 at 8:41 PM