Dies when Remove foot from Accelerator


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Dies when Remove foot from Accelerator

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Auto Repair Home>> Automotive Repair>> Engine Troubleshooting

RedDragon3
User

Sep 7, 2010, 1:00 PM

Post #1 of 4 (1597 views)

Dies when Remove foot from Accelerator	Sign In

I bought this car with the engine disassembled and I had to put it together only now I have to step on the gas to get the engine started and when I take my foot off the pedal the RPM gauge falls till it dies. What could be causing this?

it's an '99 Mitsubishi Eclipse 2.0L Non-Turbo 4cyl

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 7, 2010, 1:22 PM

Post #2 of 4 (1585 views)

Re: Dies when Remove foot from Accelerator	Sign In

You may have a bad IAC ( idle air control) but try cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

RedDragon3
User

Sep 7, 2010, 1:26 PM

Post #3 of 4 (1582 views)

Re: Dies when Remove foot from Accelerator	Sign In

I'll Have to try that when I get home and all this rain stops. Ill Let you know what happens.

RedDragon3
User

Feb 8, 2011, 4:11 AM

Post #4 of 4 (1485 views)

Re: Dies when Remove foot from Accelerator	Sign In

I know its been a while but I found out the problem. After the car kept dying it just didnt start anymore, cranked but didnt start. I had some push rods that were faulty and not compressing. It caused my camshaft guide to break from the gear. The gear turned but the cam didnt. Replaced both, the cam and the push rods. Now it runs like new.

(This post was edited by RedDragon3 on Feb 8, 2011, 4:15 AM)

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