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  1. D

    Engine Chugged, now dead

    I purchased a code reader (I figured the $40 is a good investment) and performed the tests today. I received the following codes: KOEO Code: 21 Cooling Temp Sensor Out of Range CM Code: 41 HEGO (HO2S) Out of Range - Always lean I'm no mechanic, but to me, neither of these...
  2. D

    Engine Chugged, now dead

    Hello I have a '91 with 6cyl, 4x4. Approx. 134,000 miles. Bought May 2004. Two weeks after I bought it, check engine light began coming on and missfired. Ford dealer hooked it up to their diagnostic computer. Repair invoice states: "WDS TEST CODE 41". They said it could be crankshaft...
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