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i am also going to hook an oscilloscope up to the tps wire to see if the sensor is acting up or the ecu. i do have to add that all my connections are butt connected for the wiring

i have a 1988 toyota cressida with a 1995 1uz w58 swap. the issue i have is after a 30-1hr highway trip doing 60-70 mph consistently, the engine loses complete throttle response causing me to pull over to the side and coasting till it get around 40 and it seems to be fine unless i get above 60...

i also have a bit of a leak on my brake booster also

So i got to thinking about what you said real hard last sunday , and after reading the wiring diagrams for the ls engine i noticed there was a pin #13 on e11 connector that is tied into the mg clutch circuit on the factory lexus. I had previously de pinned that #13 e11 not knowing what its...

I have this 1uz swapped cressida and it has a 95 ls400 engine I merged the factory condensor and drier , with the ls400 compressor , and the a/c blows cold. My issue is when coming to a stop the idle is super low so the alt stops charging and, when hot sometimes oil pressure drops to nothing...

Thank you so much for the advice , after preforming the test you recommended , i found that i wired the volt meters ground into the illumination wire , which apparently has a ground when the lights are off , but is energized with the lights on. found the correct ground wire and BAM its fixed ...

thats exactly why i asked the question !! thanks for the response

I recently read a write up by nigel wade on wiring up a 1uz. In this write up page # 49 he explains that if you are not running rear o2 sensors that there is a way of getting rid of the CEL without buying a fancy 02 eliminator plug. I attached the page below. My question to the community is ...

according to my diagrams the mass air flow gets its switched power thru the +b circuit coming off of the main relay , so i was going to tap into that wire for power . what do u think

is the diagrams you have for a 1st gen 1uz or a 2nd ? i have alldata at my shop and a paper repair manual , this is a 95 ls400 engine and the m

ive fried 3

thank you for the response , but i think i figured it out. After thinking about it i remembered that when i was first done and driving the car it was like it was in fail safe mode. The issue was that the maf didn't have a power source i forgot to repin the II1 connector #5. So i repined the #5...

I think what im going to try to do is install inline fuses on both the ign power input wire and m-rel output wire at the ecu . hopefully that will prevent me from eating another ecu

I had a extra computer ( California emissions >>) but it worked . the engine runs , it idles real low and doesnt have the best take off, but computer is running , so it does look like something is killing the m relay output on my computers. has anyone had this issue where voltage out from the...

so WHERE to begin.... 1988 cressida , 1uzfe out of a 1995 ls400. over the last year , since i have got the engine swap done, i have gone thru three computers all with the same problem , loss of m-rel output. it always seems to end the same way. no throttle response then loss of the m-relay...

So my 1uz swapped cressida has this weird issue. The voltage when either pressing on the brake pedal or turning on the headlights , drops the voltage down to 10.4 v when running . it stopped doing it then did it again. I do have an aftermarket electric fan and a 1000 watt stereo system, so i...

new computer new car! .it runs great. my advice for anyone that has a 95 ls400 swap. GET THE 4TH REVISION OF THE ECM!!!!!!!!!!!!!!. Save yourself the grief

So update. I met a guy through the net that , claims to be the originator of the capacitor leak repair. He explained a lot of the issues i have been having , with sluggish power , and losing m-rel output. I found out that the 95 ls400 has software issues with their ecus , along with the...

After taking the ecu apart. I did find both my ecus have the same capacitors leaking