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dies when i take foot off the accelerator
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zoggnoff
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May 19, 2009, 2:52 PM
Post #1 of 15
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dies when i take foot off the accelerator
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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 drastically til it dies. what could be causing this problem?
it's an '03 eclipse gt 3.0L 6cyl
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Hammer Time
Ultimate Carjunky
/ Moderator
May 19, 2009, 2:55 PM
Post #2 of 15
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Re: dies when i take foot off the accelerator
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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.
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Loren Champlain Sr
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/ Moderator
May 19, 2009, 4:07 PM
Post #3 of 15
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Re: dies when i take foot off the accelerator
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zoggnoff; Does this occur when the engine is cold, hot, or both? If you are having to open the throttle, that's telling me that it is getting too much fuel and not enough air.
Loren
SW Washington
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Loren Champlain Sr
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May 19, 2009, 4:44 PM
Post #5 of 15
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Re: dies when i take foot off the accelerator
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Absolutely. I thought about that after I replied. Same thing, huh? Lack of air. Oooops.
Loren
SW Washington
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zoggnoff
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May 19, 2009, 9:22 PM
Post #6 of 15
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Re: dies when i take foot off the accelerator
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zoggnoff; Does this occur when the engine is cold, hot, or both? If you are having to open the throttle, that's telling me that it is getting too much fuel and not enough air.
It's like this, I get in, turn the key, hear the engine turning but not starting, so I step on the gas and vroom it starts up but then the RPMs fall and it dies. I say both.
When this recent problem happened I had the engine running, car parked and the AC on high.
That's significant because over the past year I could never run the AC at idle without it stalling until about a week ago when I replaced the radiator and did an oil change.
I was really amazed at how well it ran after that until all this happened...
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Loren Champlain Sr
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May 20, 2009, 3:41 PM
Post #8 of 15
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Re: dies when i take foot off the accelerator
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>>when I replaced the radiator and did an oil change<< The plot thickens! Check the cooling system to make certain that it is full (that there are no air pockets). If the CTS (coolant temp sensor) isn't fully immersed in coolant, the PCM won't get the proper reading for fuel delivery.
Loren
SW Washington
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Hammer Time
Ultimate Carjunky
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May 25, 2009, 8:48 AM
Post #11 of 15
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Re: dies when i take foot off the accelerator
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You'll have to check the discount parts storers to see if they make an aftermarket version for that car. If nnot, you'll be stuck with the dealer.
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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.
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zoggnoff
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May 25, 2009, 10:47 PM
Post #13 of 15
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Re: dies when i take foot off the accelerator
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 Here is a picture of the IAC 3.0L part that broke. I looked it up in CAPS and the part number is MD628174
This is the used part for the 2.4L
Used part 2.4L different angle
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Hammer Time
Ultimate Carjunky
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May 26, 2009, 6:11 AM
Post #14 of 15
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Re: dies when i take foot off the accelerator
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I'm not a fan of used parts but they appear the same in the picture.
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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.
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zoggnoff
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Jun 8, 2009, 7:59 PM
Post #15 of 15
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Re: dies when i take foot off the accelerator
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I went with the new part.
she runs again.
idle seems to be high, around 1500.
did not bother with the anti-freeze other than replacing what I drained.
bought the mikunni brand.
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