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| Eclipse Problem Diagnosis Got a problem you can't fix? Post here and one of our members will answer as soon as possible. |
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#1
08-25-2006, 06:40 PM
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car throttles high rpm when I let off gas
my 97 eclipse will sometimes start only if I press in the gas pedal. When I'm driving, the rpm goes really high for a short lengths after I release the gas and may come back down to idle. This means that it can drive by itself when I shift it in gear. I've replaced the fuel pressure gauge and it didn't do much, what can this be?
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#2
08-26-2006, 12:57 AM
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Re: car throttles high rpm when I let off gas
You have a fuel pressure gauge? Why the hell do you have one of those? What kind of Eclipse and what tranny? Have you checked the throttle cable yet? That MIGHT be a good place to start.
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95 Talon TSI AWD 97 Eclipse GST 
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#3
08-26-2006, 01:35 AM
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Re: car throttles high rpm when I let off gas
Why did you replace the fuel pressure gauge? How would that have anything to do with anything? I would say clean your EGR valve/system, and check your IAC/ISC.
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2013 Chevy Sonic 1LZ Daily Driver, 1.4L Turbo, 6spd 75 Monte Carlo SBC 400 6.6L, Aluminum heads, Hurricane Intake... 12 Chevy Sonic 1LZ 1.8L - Traded 01 Pontiac Grand Am SE - RIP 95 Eagle Talon ESi-T 5spd - RIP 88 Oldsmobile Cutlass Ciera- RIP
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#4
08-26-2006, 01:49 AM
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Re: car throttles high rpm when I let off gas
I Assumed he meant fuel pressure regulator when I first read it. There is some urban myth out there that replacing the FPR fixes everything...
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Kevin Jewer RWD Talon - 7.92 at 180 Mightymax - 10.7 at 125
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#5
08-26-2006, 10:18 AM
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Re: car throttles high rpm when I let off gas
yea, I replaced the fuel pressure regulator, well, I'll check on the IAC/ISC, EGR valve system and the throttle cable and give an update
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#6
08-29-2006, 12:38 PM
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Re: car throttles high rpm when I let off gas
Check what they told you, plus if there's a CEL, that will usually direct you towards the problem...
I cleaned my EGR and that helped idle... My IAT was bad (triggered CEL though) check the throttle all the way to the butterfly, there was a recall on some Eclipses, the dash pad wasn't cut to specs and allowed the throttle to hang... Also the plate that attaches to the intake manifold, if not properly tightened can allow the throttle to hang... I also suggest cleaning the EGR... What model Eclipse is it??? RS,GS,GST,GSX?
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Quote:
1991 Eagle Talon TSI - Broken  Head removed, block broken, trans in hatch  1991 Eagle Talon TSI AWD- in pieces 3" exhaust, rebuilt bottom end  Project: Assemble the Eagle is underway... and now with AWD 2003 Lancer Evo 1630hp/1593ft lb tq
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