1uz Missing problem when in gear

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Deafbeat

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PK, LHR
not an expert on the technical bits .. i've been running my UZ for quite a while now stock engine swapped in a Isuzu Trooper .. was running great for quite a while but now its been giving me this annoying issue .. it revs and idles fine as long as its stationary but as soon as its put in gear its starts missing .. its an auto .. don't have experts on this engine in my country so any advice would be great help :/ so i can have my mechanic or electrician to look in the right place :/ ..

Note : I have a feeling that it could be the AFM as its also running very rich :/
 
Try unplugging it, if you can unplug it and it runs well then you have an issue with the AFM.

It could also be an ECU issue. The older toyota ECU's are known for leaky caps which will cause some major weird problems
 


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