Thread: MFI question
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MaRu MaRu is offline
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Join Date: Mar 2011
Posts: 271
MFI question

Hello everybody,

Iīm working at a friends car right now. Itīs a 2.4 MFI. The car has been sitting for quite a while and everybody who was working on it messed up the setup eben more. Now that we got in running, adjusted the butterflies and all rods itīs running quite good. We took it on the street with an AFR meter in the exhaust and found out it gets extremely lean as soon as we pushed the throttle down even a little bit.
Now we just found out the that lever at the mfi pump has no function. I can push it in all the way and nothing changes. Neither rpmīs, nor the AFR.
Could it just be disconnect inside the pump? If so which cover do we need to take off?
Also we noticed that during the process of adjusting everything, cylinder 1 injector gets less and less fuel from the mfi pump (itīs not the injector). Is there something like a filter on top of the pump under where the fuel lines are mounted?

Many thanks in advance, Malte
Old 06-07-2024, 12:24 AM
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