Engine Performace Decline

The 1UZFE EGR Delete Kit is available for sale here.

bundymonkey

New Member
Just after some help as my 1UZ has started to run really rough.

Some background on the truck its a Toyota Landcruiser Bundera (LJ70)4x4 and I had Sideshow do the wiring back in November/December. It was running fine for about 4 months when one day out on tracks it started to run a little rough and not hold idle. This also caused the ECU to get very hot. This happened twice and i could not find the problem as it only did it these 2 times while i didnt have tools to try and find it. Over the past week or so I have noticed that it is now running very poorly and I have tried swapping Ignition modules as I had a spare set andcheck all plugs etc which all seemed to be ok. I also checked for any vaccum leaks but couldnt find any. I am starting to pull my hair out as its bloody annoying not being able to find the problem as its my daily driver

thanks in advance
 
Well,

If the ECU get unusualy hot I would be suspecting Injector drivers or other heat disipating parts in the ECU to be at fault or being shorted. in which case the ECU itself might be the blame, can you try another one?

grtz Thomas
 


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