Silly rich on cold start
#1
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Silly rich on cold start
So I bought an impreza recently, stupidly never tried it out from cold but first cold start flooded the car, turns out unless you start it with blipping the throttle it doesn't start, from hot it is fine.
The car runs massively rich on cold start, not too bad when warm.
The car has bigger injectors but using the standard reg etc and an alcatek ecu.
Is it likely mapping still which is my thoughts or should I look at any other likely culprits
The car runs massively rich on cold start, not too bad when warm.
The car has bigger injectors but using the standard reg etc and an alcatek ecu.
Is it likely mapping still which is my thoughts or should I look at any other likely culprits
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#12
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Out of interest,do you have to blip the throttle after its actually started as it feels like it's going to stall,or are you having to blip it before you turn the key?
Mine is the former,runs fine when started tho and cold start tick over is around 13.5AFR for a couple of minutes.
Be interested to find out how you get on with the mapper as there might be something I can do to improve my cold start.
Mine is the former,runs fine when started tho and cold start tick over is around 13.5AFR for a couple of minutes.
Be interested to find out how you get on with the mapper as there might be something I can do to improve my cold start.
#16
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Is it possible that a sticky throttle plate or dirty throttle body could cause these symptoms?
Or maybe a bad gasket on the IACV?
Maybe a worn injector seal leaking slightly?
Or would any of these things show as a problem when the car is warm as well?
Have you booked it in with the mapper? Who you using if you don't mind me asking?
Or maybe a bad gasket on the IACV?
Maybe a worn injector seal leaking slightly?
Or would any of these things show as a problem when the car is warm as well?
Have you booked it in with the mapper? Who you using if you don't mind me asking?
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