*TIP:On many Fords, aP0171 and/or P0174 Lean Codemay sometimes appear because of a bad Differential Pressure Sensor (DPFE). This sensor monitors EGR flow, and is located on the engine near the EGR valve. There are two hoses that connect the sensor to the tube that runs from the exh...
How To 10/19/2010 2:02 am Fix vacuum problems, error codes P0171 and P0174, in a Ford Escape Determining exactly what of the thousands of parts on a modern car is broken is as difficult as doing the repairs many times. IN this video you'll learn how to diagnose and fix error co...
A random misfire problem (code P0300) means the misfire is jumping around from cylinder to cylinder and that multiple cylinders are experiencing a misfire problem. This is usually due to a lean fuel condition which, in turn, is being caused by a vacuum leak, an air leak in the intake man...
the Check Engine lamp may come on and go off, remain on continuously or flash. The only way to know what is causing the light to come on is to plug a scan tool into your vehicle