04-20-2011, 07:49 PM
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#11 |
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walbro fp
Join Date: Dec 2010
Location: spokane
Posts: 479
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hmm, id say bad sensors somewhere or bad ecu wiring, but that is pretty puzzling...hell just buy a standalone, then u can tune it all lol. sorry dont mean to take your situation lightly. good luck with it!
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87 toyota 4x4 single cab short box pickup, 7MGZE. |
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04-20-2011, 07:51 PM
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#12 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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How hard is it to get to the ecu, I have a spare one from my parts car that I can put in it. Same year engine and tranny.
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04-20-2011, 07:55 PM
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#13 |
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walbro fp
Join Date: Dec 2010
Location: spokane
Posts: 479
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should be on the pass side under the dash or kick panel. i think its behind the glovebox area, shouldnt be too hard to get to.
go get a haynes manual for it, 20 bux well spent. itll tell you where most of that craps at. 
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87 toyota 4x4 single cab short box pickup, 7MGZE. |
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04-20-2011, 07:57 PM
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#14 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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I've got a Haynes manual but couldn't find the ecu location.
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04-20-2011, 08:00 PM
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#15 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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What would be a good standalone to buy?
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04-20-2011, 08:45 PM
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#16 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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I switched out ecus and it ran but not great. It revs up to 2500 rpms before idling down to 400 rpms and then barely runs. Giving it gas it has a lot of hesitation.
Last edited by cfurlan; 04-20-2011 at 09:46 PM. |
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04-20-2011, 10:32 PM
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#17 |
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Lexus & 550's
Join Date: May 2010
Location: Baltimore
Posts: 526
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Check the tps and wiring
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04-20-2011, 11:31 PM
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#18 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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I checked the tps and the wiring to it. I also tried adjusting it while it was running, but it didn't get any better.
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04-21-2011, 12:46 AM
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#19 |
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3" Exhaust
Join Date: Apr 2010
Location: new jersey
Posts: 57
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I had a similar problem. With mine I could not keep the rpms at 1500, and when I took my foot of the gas pedal the idle would fluctuate between 400 and 600 rpms...
I had i bad IAC. |
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04-21-2011, 08:24 PM
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#20 |
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Intake
Join Date: Oct 2010
Location: Indiana
Posts: 38
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I will try and put a spare iac in today to see if there are any changes.
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