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    nuggetbill's Avatar
    nuggetbill Posts: 4, Reputation: 1
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    #1

    Dec 24, 2008, 04:18 PM
    Toyota truck surges
    Hi I have a 1991 toyota truck 22re motor when I first start it the choke is on and when the choke gos down as the motor heats when the choke is all the way down the motor idles up and downand won't stop. Any help would be great. Thank you
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Dec 24, 2008, 09:04 PM

    The question isn't phrased quite right. Is the engine carburated or fuel injected. I'm really familiar with the 22R.
    nuggetbill's Avatar
    nuggetbill Posts: 4, Reputation: 1
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    #3

    Dec 26, 2008, 04:54 PM
    Quote Originally Posted by KeepItSimpleStupid View Post
    The question isn't phrased quite right. Is the engine carburated or fuel injected. I'm really familiar with the 22R.
    Its fuel injection
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
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    #4

    Dec 27, 2008, 02:35 PM

    We call it surging at idle. It's vacuum pipe routing. If it's got A/C, then go to the vacuum switching valve for ac idle up. It's mounted on top of the valve cover. There are two large vacuum lines that come from it. One goes to vacuum source, and the other goes to the ac idle up valve. These 2 lines could be backwards, or the idle up valve needs adjusted, or replaced.
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