2001 Ford Expedition, Testing The EGR Valve
This 2001 Ford Expedition came in and the customer requested that the EGR valve be changed. I asked why and was told the parts store checked it and it had a code P0401 for insufficient EGR flow. I said okay, but I was willing to bet that the EGR valve was okay. The customer asked … Continue reading “2001 Ford Expedition, Testing The EGR Valve”