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Old 02-17-2010, 02:09 AM   #1
supra.7mgte
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and its manual trans
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Old 02-17-2010, 02:44 AM   #2
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The other ground I mentioned consists of two eyelets (4 wires, IIRC) and they connect to the bottom of the lower intake plenum (driver's side of the head).

Check for codes, it'll help see if there are any power supply issues at the ECU.
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Old 02-17-2010, 03:47 AM   #3
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alright thanks man ill check tomorrow
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Old 02-17-2010, 04:15 AM   #4
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Check to make sure the coil packs are grounded well. when i took mine apart the ground wire was half way decentagrated and the wire was bare. im sure it was causing some of the problems i was experiencing while the car was running but i wont know for sure until i get my new manifold and get her all back together
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Old 02-17-2010, 05:06 PM   #5
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you took the words out of my mouth there, it's easy to overlook this earth especially if (as with mine) it's broken off the coil carrier. IIRC the coils have their own dedicated earths anyway but Toyota fitted the single wire one for a reason I guess...
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Old 02-17-2010, 07:15 PM   #6
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where exactly is this ground ground on the coil suppose to be... im pretty sure i dont have on and when i bolt the coil carrier down i never have the rubbers that hold it into place so i just used some washers for now.. is that a big deal?
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Old 02-18-2010, 05:27 PM   #7
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checked all the grounds.. they are now good but i still have no spark.. im going to check for codes right now
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