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a step up from that and Cheap Is MAP ECU 1

could be your car is high mileage and your Fuel filter is just dirty... I thought that lex 550's setup ran (Rich) I'd look into other problems

if you want a piggyback.. get a map ecu 1,2,3 If you want a standalone on the cheap.. Go megasquirt.. build it yourself.. if you have money.. buy a Haltech or ProEfi.. As for injectors.. Read this.. and follow it. Injector sizing chart.. as for basic math injectors size is what...

yes I've checked the fuses all with a voltmeter.. and have replaced them once or twice trying to get something to budge.. I know this wiring is just getting old as hell so.. I dunno what I should start testing

turn signals do not work at all... but everything works when I activate my hazards

http://www.turboninjas.com/mk3supra/1990/indiv/22_BE.pdf Page BE-26 UPDATE: Turn Signals Do not work, the lights nor the combination lights work when I activate the Colum turn signal Switch I've been searching supraforums and mania for awhile now Ok well I have done Everything Except...

take a guess what i went with.

if your still on the Stock harness.. check the coilpack harness make sure its not super old and brittle.. and also if your CPS connector has bare wires and looks like crap too.. you could just have old brittle Wiring harness problems.. sounds like it to me.. if not... bust out a multimeter...

or some spray white lithuium grease on stuff you don't want to rust.. or silicone... or boat oil vapor stuff, and if you do take the head off the block... I wouldn't put anything on the block or head surface.. just make sure their spotless when you mate them and the New HG back together

good job.

lol david is this your first supra? I have to give you props.. you popped out of nowhere and did great with a stock ct.. you seem to enjoy and learn a lot.. :-) props to your future goals and good luck

You should have your PCV system vaccum on your Turbo intake. so i guess not constant :-)

yes I agree.. their should be constant 12v at that post.. Its also the highest output point on the vehicle.. if theirs power anywhere It Should be their!...

how much did you drive the car after the swap was complete? alt definitley could be bad.. I just replaced three on my friends 2jzge 90... lol kept spitting out bad alternators.. soo.. If you drove your car around before for a week or two and everything was fine... your battery could have...

autozone and or parts stores also sell crappy alternators and starters.. lots of people have starter solenoid and starting problems due to crappy refurbished starters.. It Could have passed their test, I dont know how they test them.. but still not be Charging.. just throwing ideas. out their...

check fuses.. how do your grounds look? have you tried adding a ground or two to the engine/chassis.. You you believe the IG signal is bad.. put a wire in the female and run it in your car and get under your collum and start probing for continuity theirs two IG's on the start switch so you...

the post on the alternator should have the hishest output of power on the whole vehicle either being a 12vconstantly or a little more when charging. iirc

ahh.. yea that could be a culprit then.. lol

try buying a .5 micron filter and putting it on the oil feed.. it will Help make your oil pressure more consistant flowing into the turbo and clean.. also make sure your drain line as Straight down as possible and a 45 to the block.. you don't want Any goofy angles.. purly gravity fed. I...

lol thats funny I'm having the same problem with the tailights.. :-) turn the car on Bam tailights are one.. haven't touched the lighting wiring system at all.. Did you Rewire anything or just plug and play??