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There can be any number of things that cause the problem. Plugs fouled, plug wires bad, Distributor worn or cracked, timing off, air filter clogged or air system problems. Bad fuel injectors or a clogged fuel filter. Vacuum lines off or cracked. Something else. Check the air handler tube system from the filter to the intake manifold. On the underside of mine a small hole had burned through from the exhaust.Idle was off and mileage bad. Its not just a simple, Do This, and its fixed. Its a whole package of things to try. Some can be seen on an analyzer at a shop but most are just down to basics testing and replacing of bad or dirty parts.
What else can I help you with?
1990 Toyota Camry with a rough idle?
I have 200,+ miles on the car. I change the plugs and wires yet it runs rough at idle and runs smooth at crusing speed. What can i do?
What is the idle RPM on a 1999 Toyota 4 runner?
the RPM should idle 700 - 900
High idle Toyota 4 runner?
clean or replace your idle air control valve.
Engine problems 1990 Toyota Celica look at the discussion?
My 1990 Toyota Celica Idle is too high... What seems to be the problem?
What causes surging idle in a 1990 Toyota truck?
Separation of the ethanol due to water in the gasoline.
How do you adjust the idle on a Suzuki quad runner 250?
To adjust the idle on a Suzuki Quad Runner 250, locate the idle adjustment screw, typically found on the carburetor. Start the engine and let it warm up, then turn the screw clockwise to increase the idle speed or counterclockwise to decrease it. Aim for a smooth, stable idle around 1,200 to 1,500 RPM. Always make small adjustments and test the idle after each change to ensure optimal performance.
How do you adjust the idle on a 1994 Toyota pickup?
To adjust the idle on a 1994 Toyota pickup, first, ensure the engine is warm and in park or neutral. Locate the idle adjustment screw on the throttle body, which is typically near the throttle linkage. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it, while monitoring the RPM with a tachometer if available. After adjustments, check for smooth engine operation and make any necessary fine-tuning.
Proper idle speed for 1990 Toyota Cressida?
My Chilton Says 1990 -92 Idle IN Park At Operating Temp Should Be 750, in drive 700, i cant ever seem to make the rpm drop only 50rpms when putting in park, so mine is set to 800, and about 700 in drive
How do you adjust the idle on a 1989 yamaha 500 wave runner?
To adjust the idle on a 1989 Yamaha 500 WaveRunner, locate the idle adjustment screw on the carburetor, which is usually found near the throttle linkage. Start the engine and let it warm up to operating temperature, then turn the idle screw clockwise to raise the idle speed or counterclockwise to lower it. Aim for an idle speed of approximately 1,200 RPM. After adjustments, test the throttle response to ensure smooth operation.
Where is the idle screw on a 1998 Toyota runner?
On a 1998 Toyota 4Runner, the idle screw is typically located on the throttle body. It can be found near the throttle linkage, usually marked with a plastic cap that needs to be removed for adjustment. To access it, you may need to remove any air intake components obstructing the view. Always ensure the engine is cool before making any adjustments.
How do you adjust the idal on a Toyota van?
how do you adjust the idle on a 2002 toyota van
What is idle speed on 2000 Toyota 4 runner v 6?
The idle speed for a 2000 Toyota 4Runner with a V6 engine is typically around 600 to 700 RPM when the engine is warm. This specification can vary slightly based on factors such as engine condition and whether the air conditioning is on. It's important to ensure that the idle speed is within this range for optimal engine performance and efficiency. If adjustments are needed, they should be made according to the manufacturer's guidelines.
