Greetings,

 

Summary:

This is an intermittent fault!!

If the revs drop quickly from 3000+ to zero (like they would if someone unexpectedly pulls out in front of you and you stop rapidly), the engine sometimes stalls.

But it restarts with no problem and normal service is resumed.

 

In depth:

The car was performing flawlessly, then…

The head needed replacing because all the oil came out of the hole that is normally blocked by the oil filler cap (please don’t ask).

The head was then replaced with a second hand head from a reputable dealer.

It was checked and fitted by a very trusted auto repair shop that my family has used for years.

 

After a few days of being gentle with it, I started driving normally again.

Then I discovered that it’s really difficult to steer after the engine has unexpectedly died (someone pulled out if front of me).

 

The mechanic has checked all his work, twice.

He has test driven it and seen the problem but can not find the source of the issue.

 

My local Ford dealer can not find the problem either.

 

I don’t know how the system works but it appears that sometimes the idle controller of the car doesn’t catch the engine when it gets to the idle rpm; the engine speed just keeps dropping to zero and the engine stalls.

 

I know it can't be this simple but this is how it manifests itself from the driver’s perspective.

 Many thanks    

Which engine? Could be something like an idle control valve that needs cleaning if its a petrol.

The reason your steering will go stiff/heavy is because the power steering pump relies on the engine being running. when the engine dies the power steering does too.

Think IanT is your best bet. He works with Ford's pretty much all day every day

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