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Discussion Starter · #1 ·
i went to my mot center to have my mot done the other day and they said that the car had passed but it was running rich
but being an injected car and my knowledge was for carb cars im lost how do i if i can change the mixture to a leaner amount
or do i have to go to a garage or crypt n tuner
 

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Tuning on a fuel injected engine requires a specialist computer.
If its running rich it could be that the lambda sensor is giving incorrect emission readings causeing the ecu to over fuel
 

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Discussion Starter · #3 ·
i have replaced that thing its on the manifold pipes
it didnt make a difference
is there a way you can put a resistor on it to make the value set the engine leaner
and what else can it be if not that
 
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