Question about Cars & Trucks
Wagon idles too slow. Shakes & steering wheel shimmys. Need to adjust idle up. Need to determine if I have a carburator or am fuel injected. My manuel does Not tell me this.
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Posted on Jan 02, 2017
SOURCE: 1984 Toyota tercel wagon
Although this isn"t a proper fix, and may affect emissions, I ran accross this problem on a friend's 87 2wd wagon.
There is a dashpot that controls a lever the Idle set screw is on, I am guessing it is a decel valve that closes butterfly when coasting in gear. I never looked at a manual to figure out what controls the vacuum valve that is on the passenger side of the engine compartment, but if you disconect the vacuum line and plug it that lever will not back off and idle will remain where you set it with the adjustment screw.
Make sure the engine is warmed up and not on a fast idle cam before adjusting idle.
The car is a 5 speed, I not sure if automatic cars are the same.
The car idles fine now and still run's great and gets 37+ MPG with 240000 miles!
If you want to fix it properly you would have to diagnose why that dashpot is being actuated at idle
Posted on Dec 16, 2008
Good excuse! You need to find a shop that does alignments and have special attention to caster. However, did the shake happen from when you first got it or did it develop over time? Check all front components for wear (by all I mean all) especially ball joints and steering damper (the sideways shock on the linkage) All can cause this condition.
Posted on May 28, 2009
Sounds like you have a vacuum leak somewhere. There may be a stop adjustment on the throttle body, but usually high idles are due to unmetered air entering the system.
Posted on Jul 14, 2009
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