 ECU help please |
 Jul 2, 2012 - 10:01 PM
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Enthusiast  Joined Apr 22, '12 From florida Currently Offline Reputation: 1 (100%)  |
Hi everyone my ECU took a dump on me and I'm trying to find a new one, I have a 95 GT Manual. I wanted to know if an Auto ECU will work if its a manual or do I need to find the manual one?
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Jul 5, 2012 - 9:54 PM
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Enthusiast Joined Apr 22, '12 From florida Currently Offline Reputation: 1 (100%) |
so help me out some more here. Are these symptoms of the ECU Failing, Hard starting where you need to press on the gas to get it fired up. when its running if you let go of the gas it will shut off and the rpm needle will spike up throwing codes. It will smoke out the exhaust when it starts up from burning unburnt fuel.
I have changed the distributor because it was failing and had oil inside of it. I got a new distributor, cap, and rotor. |
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Jul 5, 2012 - 10:16 PM
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 Enthusiast Joined May 13, '06 From Kaimuki, HI Currently Offline Reputation: 10 (100%) |
QUOTE (gotian @ Jul 5, 2012 - 4:54 PM)  so help me out some more here. Are these symptoms of the ECU Failing, Hard starting where you need to press on the gas to get it fired up. when its running if you let go of the gas it will shut off and the rpm needle will spike up throwing codes. It will smoke out the exhaust when it starts up from burning unburnt fuel. I have changed the distributor because it was failing and had oil inside of it. I got a new distributor, cap, and rotor. in my experience failing ECU's don't all act the same way. In the 3 cars that I've worked on that have had bad ECU's the symptoms are below. The ECU throwing codes and spiking the RPM gauge with the car off does seem like a faulty ECU. The celicas get the RPM signal directly from the ECU I believe, so it makes sense to see the RPM gauge jumping if it is bad. You should check your grounds on the car, more specifically the ECU ground that I believe is under the center console. The ECU had to fail for a reason, and I know it's not a common problem for the celicas to have ECU failure. Bad grounds will generally cause electronic components to fail. Some cars have faulty capacitors in the ECU that fail over time, and they leak on the circuitboard problems (problem that I thought I had in a turbo eclipse that I had, common eclipse problem). Car 1: (OBDI early 90's Honda) ran rough all the time, smoked, and sputtered. There was a light on the ECU that blinked certain codes to show the engine code. It was solid, and didn't blink. Car 2: (OBDII late 90's Volvo) wouldn't start at all. Car 3: (OBDII early 00's Nissan) ran rough, smoked, sputtered, could not read ECU with diagnostic scanner. -------------------- -Jay
95 GT conv. project car: Manual, Gen III 3sgte, JN pisons, Eagle rods, overbore, crank knife-edged, crank scraper, ARP head/main/flywheel, Autronic EMS, Haltech Dual Wideband O2 controller, Audi 1.8T individual coils, FMIC and SSQV BOV, 3" downpipe, 3" ultra-high-flow cat, 2.5" Borla muffler, +other 01 S2000: FMIC, Haltech EMS, Haltech wideband, 570cc inj, forged pistons/rods, sleeved block, 5 angle valve job, ported and polished 02 R6, all stock, except for braided stainless brake lines, frame sliders, and adjustable brake/clutch leve |
Posts in this topic
gotian ECU help please Jul 2, 2012 - 10:01 PM
jordisonjr Nope, pretty sure an auto ecu won't work. Jul 2, 2012 - 10:11 PM SwissFerdi Yes, an auto ECU should work for you. I base this ... Jul 2, 2012 - 10:33 PM gotian thanks, could someone give me a definite answer th... Jul 2, 2012 - 11:04 PM mkernz22 You'd be better off trying to get a manual one... Jul 2, 2012 - 11:16 PM gotian manual ones run about $200 and their auto cou... Jul 2, 2012 - 11:20 PM
Special_Edy QUOTE (gotian @ Jul 2, 2012 - 11:20 ... Jul 3, 2012 - 10:49 AM
SwissFerdi QUOTE (gotian @ Jul 3, 2012 - 12:20 ... Jul 3, 2012 - 10:51 AM KAOS I have a ECU out of a 94 GT for sale. PM me for a ... Jul 3, 2012 - 10:19 AM match220 I'm selling the ECU from my 95 Manual GT, but ... Jul 3, 2012 - 3:45 PM SwissFerdi QUOTE (match220 @ Jul 3, 2012 - 4:45... Jul 3, 2012 - 6:19 PM jordisonjr My 95 celica is OBDI..
Go on ebay and search st204... Jul 3, 2012 - 3:47 PM match220 QUOTE (jordisonjr @ Jul 3, 2012 - 10... Jul 3, 2012 - 5:52 PM Syaoran QUOTE (jordisonjr @ Jul 3, 2012 - 4... Jul 3, 2012 - 7:20 PM jordisonjr Oh yea right sorry, my bad.
I just remembered seei... Jul 3, 2012 - 8:05 PM gotian it was changed mid year to obd2, but mine is defin... Jul 3, 2012 - 9:22 PM gotian thanks for the reply, now here is an issue i'm... Jul 5, 2012 - 11:29 PM match220 QUOTE (gotian @ Jul 5, 2012 - 6:29 P... Jul 5, 2012 - 11:39 PM KAOS QUOTE (match220 @ Jul 5, 2012 - 10:3... Jul 6, 2012 - 8:50 AM Special_Edy QUOTE (gotian @ Jul 5, 2012 - 11:29 ... Jul 6, 2012 - 7:58 AM gotian sounds like fun....(Tons of sarcasm implied) If an... Jul 6, 2012 - 12:56 AM match220 QUOTE (gotian @ Jul 5, 2012 - 7:56 P... Jul 6, 2012 - 1:26 AM richee3 Mine has never been that difficult. I removed the ... Jul 6, 2012 - 5:57 AM gotian Yeah so I got the edu and swapped it, now the car ... Jul 6, 2012 - 1:50 PM Special_Edy QUOTE (gotian @ Jul 6, 2012 - 2:50 P... Jul 6, 2012 - 7:39 PM gotian i work at autozone, distributor is new and the sam... Jul 7, 2012 - 12:17 AM delusionz can someone show me a picture of obd plugs?
i wan... Jul 7, 2012 - 7:30 AM travisxcore ODBI plug is not only Toyota proprietary, its Celi... Jul 7, 2012 - 8:02 PM delusionz http://www.6gc.net/forums/index.php?showto...mp;#e... Jul 7, 2012 - 9:06 PM delusionz so what can i do with that port so i can use a pro... Jul 7, 2012 - 9:11 PM Special_Edy QUOTE (delusionz @ Jul 7, 2012 - 10... Jul 9, 2012 - 1:23 AM gotian so after installing the new ecu it would not fire ... Jul 9, 2012 - 3:54 PM |
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