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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
04-08-2007, 03:39 PM
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idle surge...
OK i have a 92 tsi.. i have idle surge that i cant get rid of... i replaced the coil, turbo, bov, isc, ecu capacitors, intake manifold gasket, 02 sensor, 0 rings in the tb... and some more stuff.... and it is still surging but when i take the innercooler piping off of the tb and restrict the air flow it corrects its self... the throttle cable is not tight, i ran out of stuff that i can replace. it all happened when it jumped timing.. could it be a bent intake valve?
I also cleaned the manifold and the tb really good. 
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#2
04-08-2007, 05:19 PM
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Re: idle surge...
It could be the bent valve. When it jumped did you hear a hit from the engine? You may also want to check the EGR valve also. Could be dirty/broken.
__________________
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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#3
04-08-2007, 05:58 PM
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Re: idle surge...
i don't remember hearing any noises.. but the vacuum gage is at about 15.. i think the needle should be moving if it had a bent valve... I removed the egr a few months before all of this started happening. It is so confusing
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#4
04-10-2007, 01:39 AM
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Re: idle surge...
Have you done a compression test? That should tell you if you bent a valve badly enough to affect any performance.
__________________
95 Talon TSI AWD 97 Eclipse GST 
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#5
04-10-2007, 08:36 AM
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Re: idle surge...
yes i done a compression test, it was 160 for 4-2 and 130 for 1.
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#6
04-10-2007, 10:18 AM
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Re: idle surge...
Then that is your problem. 130 is too low
__________________
98 Eclipse GS Turbo Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio 1981 Chevy Scottsdale 1987 Nissan 300zx - Chump Car 2001 BMW 325i - DD
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#7
04-10-2007, 01:24 PM
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Re: idle surge...
what could be causing that? bent valve or bad rings? head gasket? or could it be any of them..
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#8
04-10-2007, 07:47 PM
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Re: idle surge...
It could be any of them. A leakdown test will tell you more if you can get ahold of one of those bad boys.
__________________
95 Talon TSI AWD 97 Eclipse GST
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#9
04-11-2007, 08:38 AM
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Re: idle surge...
crap.... oh well ill just rebuild it and make it better
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