Kwakazaki2
New Member
We bought our LR4 to haul kids and provide get aways to Maine, Outer banks, etc. LR4 2016 3.0v6 Supercharged, Corris grey. Great truck.
Now retired, I’m more hands-on than ever, love the truck and really trying to look after her.
Have lean fuel codes P2189/7 both banks, and P0483-36 fan frequency modulation failure. Books and forums say the fan failure is from wading, but I think it was actually me pressure washing the underside to better identify where an oil leak was from. Which turned out to be the vacuum pump seal, so seems I fixed one problem and created another! Awesome, tut, tut.
Anyone have any thoughts or good links on testing the fan (electro viscous) and/or fixing it? Anyone taken the electrical bits of the fan apart? Very expensive if I go the parts cannon route.
For the lean codes I already changed the PCV diaphragm and smoke tested all the intake and emissions systems, there were a couple of small leaks which I’ve fixed, but the codes come straight back. Note - codes are for both banks, and reliably return for both banks, so that seems to count out MAF, oxygen sensors, fuel injectors, etc. as both banks would need to fail together, i.e. unlikely. Any thoughts on what to look at next?
I’m clearing these codes with a GAP tool and they come back after 30-40 miles. Starting to get stumped and looking for help… support ha ha!
Regards
Now retired, I’m more hands-on than ever, love the truck and really trying to look after her.
Have lean fuel codes P2189/7 both banks, and P0483-36 fan frequency modulation failure. Books and forums say the fan failure is from wading, but I think it was actually me pressure washing the underside to better identify where an oil leak was from. Which turned out to be the vacuum pump seal, so seems I fixed one problem and created another! Awesome, tut, tut.
Anyone have any thoughts or good links on testing the fan (electro viscous) and/or fixing it? Anyone taken the electrical bits of the fan apart? Very expensive if I go the parts cannon route.
For the lean codes I already changed the PCV diaphragm and smoke tested all the intake and emissions systems, there were a couple of small leaks which I’ve fixed, but the codes come straight back. Note - codes are for both banks, and reliably return for both banks, so that seems to count out MAF, oxygen sensors, fuel injectors, etc. as both banks would need to fail together, i.e. unlikely. Any thoughts on what to look at next?
I’m clearing these codes with a GAP tool and they come back after 30-40 miles. Starting to get stumped and looking for help… support ha ha!
Regards
