[s-cars] Feels like engine misfire...or smth else?

[Kirby Smith]

How about the cold start sensor that I presume causes the mixture to be
rich?

kirby


prr wrote:
> 
> Hi everyone.
> 
> I'm running out of ideas, what could be wrong with my car.
> 
> When engine is cold, car runs well. I mean very well :p When temperature
> reaches about 80C, feels engine is starting to miss some ignition
> moments. And the thing gets worse, when the turbo pressure is reaching
> 1bar and over - car starts to shake and nothing more. Sometimes happens
> it just on the road, going slowly, at low rpm even too.
> 
> Done and changed/tested so far:
> 
> ignition coils
> power output stages (POS)
> spark plugs
> lambda sensor
> fuel pressure
> fuel filter
> chip soft
> map sensor
> checked for boost leak's
> service computer test ( btw sometimes service test shows a ENGINE SPEED
> SENSOR ERROR - is it normal ? with ingition on and engine not running
> it, should it show the error or not?  )
> 
> 
> me at sick_and_tired
> 
> 
> regards,
> 
> prr
> 
> 
> 
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