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Car dies.. alot.

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Old 05-22-07, 12:04 PM
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DasBach
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Default Car dies.. alot.

Well, I'm in the stages of running around with my hair on fire to prepare for Deployment and now... the car doesn't want to stay running? I get in it, start it and it idles at like 700, stutters and shakes and dies. I tried starting it 10-15 times but it doesn't stay running... This is not a good time for this. It throws a code but I have no clue how to check it. Anyone have a clue?

1992 SC300 5 Speed. 105K Miles.
Old 05-22-07, 12:10 PM
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T0ked
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Make sure the MAFS is connected properly. Unplug it an replug it just to be sure. This is stock? If it continues, try some injector cleaner (seafoam) and if needed a new Fuel ECU. these are the steps i was advised on this board and it worked like a charm for me.

Best thing would actually to get that code read.
Old 05-22-07, 01:15 PM
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TheMole
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Start with the free stuff. Take it to a local Autozone and borrow their ecu scanners to read the code. Maybe its a bad idle air control valve? Did you do anything to the engine prior to this happening?
Old 05-22-07, 01:17 PM
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DasBach
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Nothing has been done to the engine. I added HID's and a Car Stereo. I guess I'll unplug and replug the MAF and try reseting the ECU. I'll go from there. Its weird... its never given me trouble.
Old 05-22-07, 03:37 PM
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vwynn
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Originally Posted by sc300max
Start with the free stuff. Take it to a local Autozone and borrow their ecu scanners to read the code. Maybe its a bad idle air control valve? Did you do anything to the engine prior to this happening?
wow you can barrow it for free? hah i wanna try that =]

on top of what everyone said.. maybe check your trottle cable? its highly unlikely that thats the prob.. but i remember a friend of mine was messing with my friends s2k.. adjusting the cable.. and it would start idle about 500-700 revs and then bogs n stall.
Old 05-22-07, 04:16 PM
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LexusFiend
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You check ur codes by connecting te1 and e1 on the diagnostic ports, autozone cant help you out because u are ob1 not ob2 ... besides how u gonna get there if ur car wont start .... might be a loose vacuum hose or ur intake split where u can see it ... if u do a quick search for "codes" you should find a bunch of threads with a website that has all the codes on it ... let us know what u find.
-Jack
Old 05-23-07, 04:26 AM
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stonewis
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Mine did something like this too. I replaced the fuel pump ecu (located on the bulkhead behind the back seat panel on the driver's side) and voila, it runs!
Old 05-23-07, 06:20 PM
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sounds like a fuel problem, try to replace your fuel filter, or check fuel pump to see if it is working properly ^
Old 05-23-07, 08:14 PM
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jonesy
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how much for a fuel pump ecu?????
Old 05-23-07, 11:15 PM
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vg7z
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FUEL PUMP ECU! I had the same problem as well...itd start, then just choke out and die.

BTW im in the process of deploying too AL UEDEID AB, Qatar
Old 05-24-07, 06:44 AM
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DasBach
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Well the best of luck to you as well fellow service member. I'll be in Anbar Province, so who knows if I'll come back lol.
Old 05-24-07, 09:20 AM
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vg7z
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Damn, Anbar is a hot ****ing zone. best of luck to you too.
Old 05-24-07, 09:25 AM
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IronCobra
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I had this same problem with my old 95 SC400... $2000 later, 6 visits to various Toyota and Lexus dealerships, and several nights staring at the engine...

Never fixed... Sold the car with the problem

Good luck!
Old 05-24-07, 03:32 PM
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DasBach
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Well, thank kinda' kills my excitement! Lol
Old 05-24-07, 04:06 PM
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I did the jumper thing using the diagnostic port and the Check Engine Light just keeps flashing... never pauses or anything. I decided to : Remove the negative cable from the battery and wait a few moments, plug it back in and tighten it. Then, I unplugged the Fuse under the hood, freaking... EFI Fuse. Waited, attempted to start my car. It did the idle for 3 seconds, then putter and die. I turned the ignition to on, and did the jumper thing and it just starts flashing without stopping. Repeated the entire process but the second time around I put the jumper in before putting the key into the ON position.. same constant flashing. I have ALOT of running around to do and need this car running... kinda bugged because I can't figure it out :S


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