22re idle problem

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10-27-2011, 05:48 PM

red4Runner91

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22re idle problem

when i start my 4runner it run well until it comes hot, the idle is going up then down like if it was missing prestone but it isnt any hint?

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10-28-2011, 02:07 AM

91muddog

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Im sorry,,,,,prestone? coolant?

it could be alot of things, iac, tps, timing throttle body.

what year?

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10-28-2011, 02:38 AM

xXbrutalXcoreXx

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Missing Prestone? uh... What? I'm not sure I understand what you're getting at either.

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10-28-2011, 07:25 AM

89whitetoyota

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Funny mine is doing the same thing this morning, and I noticed that once warmed up my heat was gone. If your low on coolant, causing the IACV to not get enough can it cause an idle pulse pretty much on a one second interval up and down? I haven’t checked the coolant yet, as I just fired this thing up for the first time in a week.