check engine light flashing 2004 ford freestar on 2004 Ford Freestar

Check engine light flashes,van feels like it is going to stall at times. Loud squeal/grinding noise is made when backing up/turning the wheel (not breaks sounding squeal),made when van is cold/not warmed up. The squeal occurs when backing up even if van is warm. What is this and how costly will it be?

by in Mount Laurel, NJ on March 06, 2011
1 answer
ANSWER by on March 06, 2011
Check Engine Light that flashes is a serious fault! Your Freestar shouldn't be driven or at least driven far.It's hard to guess at what's wrong without hearing the sounds or experiencing the problems first hand and doing some basic diagnostic tests. If the Check Engine Light/Service Engine Soon light illuminates while you are driving, the car's on board computer sees a fault in the engines management system that is causing an excess amount of pollutants to be emitted from your car. This could result in engine damage if left neglected. Some problems that can cause the Check Engine light to stay on may take two "drive cycles' to complete before illuminating the Check Engine Light. The computer sees a problem and looks for an identical set of circumstances to occur to confirm that it has indeed seen a problem before turning on the light. A Check Engine light that continually flashes while you are driving is serious and is a sign that the computer sees a problem that seriously risks damaging the catalytic converter which may result in an expensive repair or even may cause a fire! Diagnostic codes are stored in the vehicle's computer and can be retrieved using a scantool that communicates with the computer in your car. We have in our Repairpal website an encyclopedia with in depth articles about computer, and computer control systems, emission and driveability problems.
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