I took my 2002 Ranger with 62,000 miles to Don Reed in August of 2013 for the CEL lights indicating the O2 sensors were both running rich. The service rep was friendly and easy to work with. The first trip was a busy day so they did not check my vehicle until late - I understand and this worked out to be fortunate. The tech diagnoses was that the engine seemed warm and I should replace the radiator and thermostat for $600 and retest. I schedule an appointment for repair four days later as the tech was going on vacation. While waiting I replaced the thermostat and had it flow tested - it worked perfectly - save $500 there. Upon going to my follow-up appointment I explained what I did so the truck was retested - diagnoses? - replace the brand new Autolite sparkplugs with Motorcraft ($40) and retest. Did this, no change. Next, replaced the rear O2 sensor ($96), no change. At this point the service rep explains that this is one of the best technicians they have and he will find it
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