Mk2 Focus ECU fault

[Speed 3]

My elderly Mum has had an intermittent warning on her 2007 Focus Zetec and bunged it into her local main dealer who wants to take a grand off her for fitting a new unit. I have only got a partial story from her (she's 200 miles from me in Oswestry) but I am suspecting its this problem with the ECU:

http://www.ecutesting.com/ford/focus_mondeo_c-max_...

If I can get the ECU out somehow and off to these guys, would it slot back in and work without any need for resets/diagnostics ? Seems crazy to incur Ford M/D costs when the car is now only worth a couple of grand tops.

[Speed 3]

stevieturbo said:

The chances of it being a faulty ecu are very very slim, unless it is a well documented problem

Yes they can go faulty, or faults can be caused....but they are usually very rare.

Why exactly are the immediately blaming the ecu ?

Don't know yet, they were supposed to call me today but didn't.....

[Speed 3]

She's pulled it out of the MD and having an indie take a look so hopefully we can get the cost down considerably.

[Speed 3]

Well in the end it was a knackered battery and a corroded earth to it. How do the main stealers get away with their diagnoses ?