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did this many times. before i could read the codes but last time i reset the ecu. the codes never showed up. but im having the same symptoms.

Okay so I'm thinking about replacing my ecu on my 93 sc400. My part number is 89661 24230. Is this the only ecu part number that is compatible with the 93 sc400? or is there other part numbers/ecu that are compatible?? My problems/symptoms- 1. On cold start ups, rpm bounces between...

need the maf sensor in good working condition. pm please thanks

any help??

So the codes are 21-main o2 sensor 24-maf sensor?? 28-main o2 sensor 31-maf sensor?? if my maf sensor is broken wouldn't it be fking up my o2 sensors as well?? are these codes all connected somehow?? could it also be my iacv?? i had idling and stalling problems about a month ago so i...

lmk if ya'll have one. thanks

i'm confused with my problem. on cold start ups my idle is at like 1500+ rpm and it sometimes loops from 1500-2000 which continuously goes up and down and this only happens in park or neutral. when i shift into gear my idle is at 1000-1100 and the engine seems to be pulling a lot but the looping...

while driving I notice that when i take my foot of the pedal the car would slow down quickly without even braking. once i let it of the car slows down too quickly. this never happened to me before and it feels kinda scary driving at high speed especially when i let my foot of the gas the car...

went to checkers. it was a dead batter. only gave out about 1.2 volts. lol close thread please. thanks guys

corrosion as in all those yellow gunk right?? and my negative battery is loose somewhat. i mean i tightened down the nut but i can easily take it slide the cable of the battery still?? lol idk.

to make the story short. noticed i didn't have any power in my car. dashboard lights didn't go on when i put the key in the ignition. windows didn't work, radio and lights, everything that's power didn't work. so i jump start the car and it started up fine. let it charge for 30 minutes. after...

i cleaned out the iacv but still have the looping when in park and neutral. the rpm needles bounces up and down from about 1300-2000 rpm continuously with the engine responding to it. and what i notice is that in drive, the car accelerates on it's own till about 30 mph. but i'm also experiencing...

Car-1993 sc400 Problem- On a cold start up my car idles in park at around 1200-1500 rpm. sometimes it loops(goes up and down) from 1200-1500 rpm repeatedly. In gear it idles at a little above 1000 rpm. When the car is warm my idle is very very low. just above the 0 rpm mark, basically no...

so im replacing mine because the rubber part was melting for some reason. when i removed the part red liquid starting coming out. does anyone know what it is? should I add whatever liquid that was coming out? and how do I even put the liquid/oil in there? does anyone have one for sale?? it's for...

I'm located in hawaii and need a working in good condition maf sensor for a 93 sc400. please non faulty and failed sensors please. I've gone thru too many and been ripped off many times. please email me at [email protected] for a faster response. thanks mahalo, scott

got a link on how to do this test?? never done one before...

update:so i did the diagnostic and I'm pretty sure the code came out to 24. blinks 2 times first, then stops for a bit and blinks another 4 times. code is inake air temperature sensor. funny thing is that I bought a new used one. maybe the one's i bought are faulty as well? or do you guys think...

i did the diagnostics but it didn't work. my o/d light was blinking conitinuously so i guess nothing wrong with my transmission. my check engine light didn't blink at all. all it did was just stay on. ?? idk I'm pretty sure I followed the steps correctly. maybe my ecu is just broken???

okay the problem was my spark plug wires. but one of the problems i had a month ago returned. talk about bad luck ehh??? so I started my car this morning and it idled really rough and the rpm needle was jumping up and down from 0 to 1500 rpm max and back down and up until eventually the car shut...

I checked the coils it was fine. I noticed on one spark plug wire it looked like it was rubbing on something and I can see the white part. could it be one of the problems? would a wire be causing all of the symptoms im having?