Question about 1989 Toyota 4Runner
You don't mention the fuel pump in your description but that is a likely suspect.
Posted on Dec 29, 2013
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Posted on Jan 02, 2017
Check your plugs and distributer timing. Maybe try running some seafoam through your injectors.
Posted on Oct 31, 2008
I just worked on this problem a couple of days ago. If the motor is a 3.0 liter. The idle control valve is located at the bottom of the throttlebody assembly right below the bore for the throttle butterflies..What usually causes this valve to go bad is the mechanical part of the sensor sticks as it becomes sludged or carboned up. Manufacturer claims that the valve cannot be cleaned and should only be replaced....It's a high dollar repair to replace this sensor as your engine coolant flows through this electrical valve. The valve idles the car fast when cold, as the antifreeze gets hot the valve drops the idle down.....I have successfully cleaned several of these valves and cured the dying problems...
First remove the air filter top cover and the tubes that connect to the throttlebody. In the right throttlebody you will see a port right before the butterfly. Under the throttlebody you have a black plastic sensor with a 2 wire terminal. Remove the 2 phillps screws and pull off the electrical part of the valve. you will feel a magnetic pull while removing. Remove slowly and catch the black sealing oring, and there will be a metal washer also.. The shaft that is exposed is the mechanical control of the valve. Rotate the shaft and it should feel sticky if bad..Using a throttlebody spray cleaner spray into the small square port of the right bore, rotate shaft and spray until stickfree.....Reassemble
Posted on Apr 05, 2009
SOURCE: my mr2 won't run starts - then dies after about a minute have changed the distributor - I can hear the fuel pump kick in but the fuel doesn't seem to be getting through PLEASE help me someone - summer
have fuel pressure checked
Posted on May 12, 2009
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