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  1. C

    EGR valve.

    the codes on the egr valve are 332 and 326. I changed the o2 sensors because the codes related to those told me they were not switching. The egr valve itself is clean and the valve is working. (not torn). I noticed when I removed the vac line from the egr, that line had barely any vaccum...
  2. C

    EGR valve.

    sup People, I just pulled a codes from my 94 b4000 pu and saw that the egr valve is not getting adequate voltage and is not passing flow requirements. Will cleaning the egr valve out be enough or do I need to address the voltage issue as well? Thanks.
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