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Valve sticking when starting does not stop as engine idles

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Check for oil getting to it to lube it while operating or did the spring fail..

Posted on Dec 26, 2013

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. Have a compression test done to determine the cylinder affected. check the hydraulic tappets on that cylinder to ensure that they are not jammed and are operating correctly. If the clearance is excessive for a valve then it is possible that the valve stem will be bent and will require head removal for repair.. IT may be a faulty hydraulic tappet

Posted on Dec 26, 2013

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Posted on Jan 02, 2017

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SOURCE: Engine dies at idle. Engine

Pull air intake plentum off. Make sure that the throttle body butterfly is clean. If dirty you can get throttle body cleaner at Wal mart and local parts store. If the car does not have a throttle cable, it may be electronic working on a sensor. If so you have an electronic issue.

Posted on May 14, 2011

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1 Answer

Car cuts out after 3 miles and starts back up until the next stop light.


Hi John, Im AL the owner of Big As Auto Repair.

John, when the engine dies at stop lights, there are several things that can cause this issue. (1) The engine could have a vacuum leak, you can check this by spraying carb-cleaner around the intake manifold. (2) The Idle Air Control Motor could be either sticking or carbon build up where it mates inside the throttle body. You can check this by tapping on the motor and see if it starts to idle correctly, if it does then replace it and clean inside the throttle body with carb-cleaner. (3) The EGR Valve if equipped, could be sticking open, this causes the engine to die. You can check this with the can of carb-cleaner as well by spraying around the EGR if the engine speed changes then replace the EGR Valve. Hope one of these helps and please visit my auto-repair-website at: http://www.bigasautorepair.com/

Sep 28, 2015 | 2005 Ford Focus

1 Answer

1996 Jeep Grand Cherokee. When I stop at a light engine revs up and feels like it is trying to push the car. Then the car dies.It will start back and run fine after that.


Could be a sticking idle air control valve, or dirty throttle body.
The computer uses the valve to control idle speed by regulating the amount of air into the intake.

Jul 18, 2012 | 1996 Jeep Grand Cherokee

1 Answer

When idleing once in a while it starts running rough and shaking truck, 1998 k1500 350. no engine light. when i gige it gas it smooths right out. engine seems like its a little louder than normal.


Here is the common cause of surges, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours.

To correct this problem Buy a can of throttle valve cleaner (it is made by CRC) from the local auto parts store, NEVER USE CARB CLEANING SPRAY, IT DESTROYS THE ANTI-STICK TEFLON COATING, spray it into the air intake through the throttle body of the engine until you have used about half the can, you will need to hold the idle up while you do this, it will try to stall, after this shut the engine down and disconnect the Negative (-) battery cable for 5 minutes. The intake is now clean, if you continue to have the idle speed control problems you may need to seek the help of a professional.

Feb 13, 2012 | 1998 Chevrolet K1500

1 Answer

In my car RPM needle wiggle up and down when we apply break \r\non stop sign it looks that engine is going to stop & some times engine stop. Other wise it runs very good.


it is either the idle control valve or the egr valve sticking.just say that you have just come off of the interstate and had to stop suddenly,if the engine starts acting like it is going to die or just dies it is most likely the egr valve. good luck let me know if i can help in any other way

Jun 17, 2011 | 2000 Toyota Camry

1 Answer

It starts and runs if i use the pedal i could drive it all day long but it will not set there and idle and it will die if you dont pedal it i replaced the fuel pump and got pressure after it dies it will...


Check for sticking EGR valve. These units bad for valve gumming
up and sticking open creating a vacuum leak. Engine will cut off at
idle. Simple solution, remove valve and clean with choke cleaner spray. Allow to air dry before reinstalling. You can check the valve
with engine running by using a hand held vacuum pump. Let engine cool down before removing, valve in a tight spot under throttle
body on intake

Sep 07, 2010 | 1993 Chevrolet S-10 Blazer

1 Answer

Idle loops


the egr valve could be sticking causing this issue put a vacuum gauge on the egr valve to draw a vacuum then release it to see if it sticks

Feb 27, 2010 | 1994 Toyota Pickup

1 Answer

Car won't idle sometimes and dies when i come to a stop. no check engine or service engine lights come on either. doesn't do it all the time though.


The idle is controlled by the idle air control valve, an electronic valve fitted on the inlet side of the engine, they get sticky and cause the car to stall. Sometimes they can be leaned and lubricated but in most cases a replacement is required.
To prove it is this valve, with the engine idling start turning on as much as possible, lights, stereo, heater, aircon on full blast etc.. the car should pick up on revs as these things are activated but your car will probably stall due to the valve sticking.

Nov 18, 2009 | 2002 Saturn S-Series

1 Answer

Idol runs fast after starting vehiicle


the idle air control valve is stuck,or there is a vacuum leak.check the vacuum lines,the throttle cable is not sticking and the idle control valve which is on the side of the throttle body and the throttle position sensor.check all the plugs on these for a good connection.

Jul 13, 2009 | 2003 Chevrolet Venture Passanger

2 Answers

Engine starts and stalls


1 Inspect EGR Valve EGR Valve Sticking Open/Leaking. 2 Inspect Idle Air Control Valve IAC Valve Sticking or Faulty. 3 Inspect Mass Air Flow Sensor Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.

Jul 06, 2009 | 1987 Dodge Ramcharger

2 Answers

The throttle sticks during the warmer months


The throttle body is located on the driver side of the engine compartment.
If throttle plate has not been clean you might want to get a can of carburetor cleaner, remove the inlet snorkel hose and clean around and behind the throttle plate.
The IAC (idle air control) motor may need to be cleaned. The IAC controls your idle rpm.
Good luck, let me know.
Regards,

Apr 27, 2009 | 2001 Chevrolet Malibu

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