 5fse rough rmp at cold start up |
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 Oct 25, 2011 - 5:32 PM
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Enthusiast  Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%)  |
Didn't want to make a new thread so.... My idle seem fine after the car warm up and start warms..... but during a cold start up the RPM will drop down to 100 and even stall sometime???? Any way to fix this problem? Is something missing??
This post has been edited by kamax: Nov 11, 2011 - 5:09 PM |
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Oct 25, 2011 - 6:16 PM
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 Enthusiast Joined Aug 2, '05 From Guam Currently Offline Reputation: 15 (100%) |
whoah that could be anything, did you touch anything else? does it feel more from the mounts or more from the engine?
-------------------- 94 Celica GT
|Toyota OEM Japan|Toyota Racing Development|Tom's|Competition Clutch|5Zigen|Apexi| |Laille/Beatrush|Magnecor|Denso|Royal Purple|Optima|PIAA|PW JDM|Megan Racing|Nitto| |Work|Greddy|Samco|Project Mu|H&R|Gates|Moog|Rota|Yokohama|Epman|1320|Upgr8 04 Celica GT |Toyota OEM Japan|Toyota Racing Development|Tein|BC Racing|Greddy| |
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Oct 25, 2011 - 7:15 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
more from the engine, since the rpm changes the way it shakes..
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Oct 25, 2011 - 8:46 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
also when i start up the car, it shakes like it's about to shut off
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Oct 25, 2011 - 9:41 PM
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 Enthusiast Joined Mar 6, '04 From Charlotte, NC Currently Offline Reputation: 9 (100%) |
Check for a vacuum leak or any rips in the hoses/air intake system. Also, cleaning the throttle body and IAC would be good options.
-------------------- Has no more Celicas
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Oct 26, 2011 - 1:51 AM
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Enthusiast Joined Aug 2, '05 From Guam Currently Offline Reputation: 15 (100%) |
^ thats a good start
-------------------- 94 Celica GT
|Toyota OEM Japan|Toyota Racing Development|Tom's|Competition Clutch|5Zigen|Apexi| |Laille/Beatrush|Magnecor|Denso|Royal Purple|Optima|PIAA|PW JDM|Megan Racing|Nitto| |Work|Greddy|Samco|Project Mu|H&R|Gates|Moog|Rota|Yokohama|Epman|1320|Upgr8 04 Celica GT |Toyota OEM Japan|Toyota Racing Development|Tein|BC Racing|Greddy| |
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Oct 26, 2011 - 2:57 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
i think it might be a vacuum leak too, because after driving, the car smells funny from the engine. know where's a good place to start or a good way to find out which is leaking?
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Oct 26, 2011 - 3:03 PM
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Enthusiast Joined Mar 6, '04 From Charlotte, NC Currently Offline Reputation: 9 (100%) |
I started checking around the air intake system (air box, air hose, and the throttle boy) then the EGR system (PCV valve and various hoses near the fuel filter). Usually, the culprit will be in those areas.
-------------------- Has no more Celicas
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Oct 26, 2011 - 5:56 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
i sprayed carb cleaner around there and nothing. no change in idle sound. cleaned the throttle body and the rpm seem to stablized.... but the car still experience shake hmmm..... I'll work on it again tomorrow and post an update
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Nov 4, 2011 - 5:30 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
ok,... what vacuum hose/area might be on the driver side? near the two belts... cuz when i spray carb cleaner in there, it settle down and I can see fume? smoke? (cold day out) coming out on that side when my light was on.
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Nov 11, 2011 - 5:08 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
Didn't want to make a new thread so.... My idle seem fine after the car warm up and start warms..... but during a cold start up the RPM will drop down to 100 and even stall sometime???? Any way to fix this problem? Is something missing??
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Nov 12, 2011 - 8:36 PM
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Enthusiast Joined Apr 22, '11 From Massachusetts Currently Offline Reputation: 0 (0%) |
One thing to count on is your EGR valve, EGR resurculates exhaust gas back into your combustion chamber in order to cool it down for emission reasons. That valve can be stuck slightly open allowing exhaust to enter when not needed.
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Nov 12, 2011 - 11:29 PM
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 Enthusiast Joined Mar 22, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
Coolant temperature sensor. Replace it.
It's the 2 wire sensor on the coolant neck near the dizzy. -------------------- QUOTE "And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH 1994 GT: V6 swap, 5speed E53 W/ LSD, All Power, now RED 1995 ST: SOLD @273k miles, Auto, all power, CarPC, White 1994 ST: Totaled, 5spd, all power, Red RIP 07/09/09 @ 241,810 1994 Lexus LS400: This is my new DD |
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Nov 15, 2011 - 9:42 PM
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Enthusiast Joined Apr 29, '03 From lynn,ma Currently Offline Reputation: 0 (0%) |
ok i'll give that a try.
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