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#1
07-19-2005, 02:10 AM
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'91 throttle body issue
There are few problems - I suppose that they are connected.
Toyota, 3VZE engine, runs very well but: 1. When I drive it for about 10 mins. at 3000rpm at normal operating temperature and I stop the idle speed is very low and rough 400-500 rpm, then I depress accelerator for a while and idle gets normal 850-900 rpm??? 2. When I start the engine in the morning when it's cold it starts very well, but I think the high idle stays too long - it's summer so it should not be cold for that long (around 10 minuts of operating)- thermostat is new. 3. The last thing is that when I drive to job (around 1,5 mile) and I stop the idle is still around 1300 rpm. After work ca. 8 hours it's hard to start, but in the morning and when it's hot starts perfectly. Any ideas? Thanks for help. 
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#4
07-22-2005, 08:43 AM
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Re: '91 throttle body issue
The air valve is what performs this function in your engine. Clean throttle body and EGR valve.
http://www.4x4wire.com/toyota/mainte...throttle_body/ http://personal.utulsa.edu/~nathan-b...81descript.pdf http://personal.utulsa.edu/~nathan-b...82operatio.pdf http://personal.utulsa.edu/~nathan-b...93throttle.pdf
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Forum Guidelines:http://www.automotiveforums.com/vbulletin/guidelines.html "What we've got here is a failure to communicate"
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#6
07-25-2005, 09:31 AM
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Re: '91 throttle body issue
Remove it from the engine and use carburetor cleaner and whatever brushed or tools are necessary.
__________________
Forum Guidelines:http://www.automotiveforums.com/vbulletin/guidelines.html "What we've got here is a failure to communicate"
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