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Old 04-20-2011, 08:49 PM   #11
87hilux7mge
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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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Old 04-20-2011, 08:51 PM   #12
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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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Old 04-20-2011, 08:55 PM   #13
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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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Old 04-20-2011, 08:57 PM   #14
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I've got a Haynes manual but couldn't find the ecu location.
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Old 04-20-2011, 09:00 PM   #15
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What would be a good standalone to buy?
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Old 04-20-2011, 09:45 PM   #16
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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.

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Old 04-20-2011, 11:32 PM   #17
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Check the tps and wiring
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Old 04-21-2011, 12:31 AM   #18
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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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Old 04-21-2011, 01:46 AM   #19
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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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Old 04-21-2011, 09:24 PM   #20
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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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