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code 34

  1. mystery problem & Location of DPFE sensor

    Noobie Bronco Tech Questions. Flame free zone!
    Recently my 89 Ford Bronco v8 5.0l tachometer has been bouncing randomly up and down dramatically without acceleration. From 2,000 to 6,000 and back down again without a change in the actual RPMs. I recently got a Code 34 which could be one of three things 1. EGR control circuit fault 2. EVAP...
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