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O2 low voltage codes, help!

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Old 09-19-2010, 11:18 PM
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Default O2 low voltage codes, help!

having an issue with my truck. will only run right at 1/4 throttle, any more and it chokes itself out? feels like a fuel issue but no signs of problems there. fuel pressure is good, o2's both have 12 volts. runs the best in open loop.seem to think maybe some sensor is out and comp is just not picking it up to throw a code? anybody have this sort of problem? runs fine at idle and just 1/4 to 1/2 throttle
Old 09-20-2010, 09:39 AM
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What are the codes?
Old 09-23-2010, 11:29 PM
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What do you mean your fuel pressures fine, did you check it under load?




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