Question about Cars & Trucks
Idle valve needs cleaning its on the intake line for the air sits on the top of the intake has 2 wire going to it. also change the air filter.
Posted on Oct 11, 2013
Testimonial: "yeah Cheers Russ Hill I have changed air filter , I see the Idle valve it has 4-Phillip head screws So you can remove them safely and clean the Buggers. I have priced one Repco says they cant get a Generic brand so its a Toyota Genuine one $395- well that's a shock 2-the system! If i remove the Valve idling control wont the seal Gasket get damaged ? Also am i able too remove it by leaving it in place , im worried if i take the throttle side off I will damage the pre-set throttle cable ... What's your thoughts sorry so many questions."
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Posted on Jan 02, 2017
My suspicion is that your egr valve is sticking slightly ajar which will cause the engine to falter at idle speed. The valve is located near the throttle body air intake at the end of the engine, mounted in a small diameter pipe that recirculates exhaust gas from the rear cylider bank exhaust manifold back around to just below the intake manifold where the air from the filter enters the throttle body. The exhaust gases have some fumes that can plate out a crud on the valve stem and thus keep it from closing tight when you are start or at idle. That makes for a too lean mixture so the engine stalls. The valve proper is mounted horizontally with the stem visible in a space between the body of the valve mounted on the pipe and the round top of the valve which is flanged and so if you look carefully you will see a metal rod (stem of the valve) with a slot around its circumference. You can take the tip of flat blade screwdriver and insert it in the slot and then lever the valve back and forth to check if it is moving freely (against spring action in one direction) or not. If it doesn't seem to close easily with the help of the built-in spring, then I would spray the base of the stem with solvent from a pressure can (such as WD-40 or carb cleaner) while moving the stem back and forth.
Posted on Oct 24, 2010
Problem could be either to much air OR to much fuel in inlet manifold
If you have a pipe broken or come off the inlet manifold from either a breather from the engine that could cause it, or a problem from the fuel tank such as a fuel filter on the line from the tank to the engine,or Air Filter needs cleaning etc, or even a air leak in the Inlet manifold gasket.
Posted on Mar 22, 2011
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