The DPFE (differential pressure feedback EGR) sensor tends to fail. The DPFE sensor monitors function of the EGR valve by measuring pressure changes in the exhaust gas recirculation (EGR) system. Symptoms of a failing DPFE sensor are hesitation or stumbling when driving along with illumination of the Check Engine Light.
Problems for specific Ford Escape years:
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Most reported 2004 Ford Escape problems
The common problem for ignition misfires are ignition coils going bad. Replacement of the bad ignition coil is necessary. These should be fixed as soon as a problem is detected. Otherwise the misfire can cause damage to other components.
AC cuts out when driving uphill. It seems like when I accelerate on the gas while the AC is on, the AC then stops blowing through the front vents and get rerouted to the dash vents next to the windsheild. Please assist.