Question about 1985 Toyota Land Cruiser

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60 series 2H revving high at idle

Recently replaced a 12-HT with a 2H that had been sitting under cover for a while. When i first started to drive it around it was fine but now when you start it up without touching a thing it revs at 2100 rpm. this happened gradually over about 3 start ups in 3 days.

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TAKE THE AIR CLEANER OFF THE INLET MANIFOLD LOOK DOWN THE THROAT AND SEE WHERE THE BUTTERFLY IS SITTING YOU WILL SEE WHERE YOU ADJUST THE IDLE,YOU ADJUST THE IDLE SPEED BY BY TURNING THE STOP PLATE ADJUSTING SCREW TO INCREASE RPM SCREW IN TO DECREASE RPM SCREW OUT__ NOW !!!BE SURE TO ....LOCK THE ADJUSTING SCREW WITH THE LOCKNUT I THINK THAT IS WHERE YOU TROUBLE WILL BE ...

Posted on Sep 24, 2009

  • shortybj40 Oct 26, 2010

    check the diaphragm in the injection pump these have a bad habit of drying out and cracking and letting air though and it will idle high

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Check the diaphragm in the injection pump these have a bad habit of drying out and cracking and letting air though and it will idle high and slow to come down in rpm.

Posted on Oct 26, 2010

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Check the choke operation. More than likely it is not pulling off properly. See a mech with it.

Posted on Dec 27, 2009

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