Question about 1991 Toyota Pickup

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Truck starts but dies when you push the throttle

Truck wont idle and dies when you depress the throttle

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  • Toyota Master
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When was last service ? as could be a number of things

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

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1 Answer

Why does 1996 Volkswagen Jetta Gl start very hard and dies with quick throttle push? Slow and


What is the fuel pump pressure? When you put the throttle down, there is not enough fuel to match the air inlet and it dies.

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2005 Mustang GT idleing problem


may be it the problem of another throttle body.also check the ignition switch.

Check all of the battery terminals and cables and check the wires on the starter/selonoid, start from the battery and follow the cable out and check all conections , clean and tighten them and if it still does it the starter/selonoid is bad and needs replacement...

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1995 Buick LeSabre 3.8 Liter Wont start unless I push down on gas pedal like it wants more gas, Why? Runs OK when running


Possibly a bad or dirty Idle Air Control motor. The engine computer controls the operation of this motor to control idle speed. A pintle on the motor extends and retracts, according to signal from the computer. The pintle controls an air passage below it to give or take away air during idle -when the throttle shaft is closed, no air will get into the engine through the throttle body except through the idle air passage . The IAC motor or valve is on the throttle body, with a 4 wire connector. Take it off and look for carbon or coking deposits around the valve's pintle, and in the air passage beneath it. With the idle valve off, plug the connector back on it, then watch the pintle as the key is turned to on. If there is no movement whatsoever, the motor is probably bad.

I have also heard that a bad coolant temperature sensor can cause such a hard start. If the computer does not know the engine is cold, it won't put enough gas into the cylinders for easy starts. The engine needs more gas to start and run when cold.

Sep 13, 2014 | 1995 Buick LeSabre

1 Answer

Motor starts and idles ok but dosent respond to throttle.


It's possible your control "computer" had a glitch. If it happens again, or if you're just curious, have a diagnostics check. A simple check is free at many auto parts stores. I hope this is helpful.

Mar 23, 2014 | Cars & Trucks

1 Answer

1998 Durango will not idle


Check A.I.S./I.A.C. motor on throttle body. Known by both names, Automatic idle speed motor (AIS) Idle Air control (IAC) . Usually mounted on side of throttle body, with 2 or 3 torx screws and it's job is to adjust idle at all times as necessary, such as when AC on, turning, etc when extra load on engine, it will increase idle as needed to overcome the load and maintain proper idle speed. You can often remove the motor and clean pintle (pointed end that goes inside throttle body) with throttle body spray cleaner as well as spray inside the port (hole) that it comes out of. Sometimes this will cure the problem for quite a while, but if only for a short time, and it happens again, replace it.

Jan 26, 2013 | Dodge Durango Cars & Trucks

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89 ford festiva. Runs and Idles stalls when gas pedal is depressed


The two most likely causes are low fuel pressure because of a faulty fuel pump or filter, or a faulty throttle position sensor.
Is the check engine light on ?

Jan 16, 2013 | 1989 Ford Festiva

1 Answer

Idles high


Idle speed is not related to the clutch position. With the pedal depressed, the engine is freewheeling and is not engaged with the remainder of the driveline. Likely the idle speed is the same with the engine running in neutral or with the clutch depressed. check the idle air control and clean the throttle plate in the throttle body as well as checking the throttle cable for binding etc. If there is a small vacuum leak, that also can raise idle speed.

Jan 04, 2010 | 1994 Jeep Wrangler

1 Answer

A 1985 Sentra - The engine idles until warm then it dies.


has it got a idle control valve, have tried adusting throttle cable slightly

Oct 05, 2009 | 1985 Nissan Sentra 2 Door

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Wont hold idle will start with foot depressing gas pedal will run with foot on gas but stalls when foot removed


Check and clean Idle air control valve. Make sure its responding to signal as well. Also make sure ther are no vacuum hoses disconnected. This may not be a "cure" but it's a good place to start.

Apr 14, 2009 | 2001 Jeep Grand Cherokee

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