 5s starts and doesn't idle high, just lags until warmed up |
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 May 30, 2006 - 4:49 PM
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 Enthusiast  Joined Mar 8, '04 From Newport, RI Currently Offline Reputation: 63 (99%)  |
a friend has a GT and when it starts, the idle isn't as high as it should be, it just kinda bogs until it is warmed up.
I think it has to do with some elecrtical problems he's been having that makes me sad, I don't know. the question is, what sensor could be the problem ? thanks guys -------------------- |
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May 30, 2006 - 5:25 PM
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 Enthusiast Joined Mar 29, '06 From Hull, UK Currently Offline Reputation: 0 (0%) |
maybe an injector problem?
should be cold starting to about 1500rpm dropping to about 800 when warmed up? I'm guessing somethings a bit blocked, or its not choking correctly so will be down on power and would struggle for power til its warmed up? Anyone else? |
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May 30, 2006 - 6:58 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
check the resistance in the engine coolant temp sensor(s). if they're out of spec then replace.
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May 30, 2006 - 11:40 PM
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 Moderator Joined Apr 17, '03 From Rockland NY Currently Offline Reputation: 15 (100%) |
QUOTE(Bitter @ May 30, 2006 - 7:58 PM) [snapback]439504[/snapback] check the resistance in the engine coolant temp sensor(s). if they're out of spec then replace. I agree. The sensor could be broken so the ECU thinks the car is up full temp all the time. --------------------  I will return one day. |
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May 31, 2006 - 7:14 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
IAC valve dustin, make sure its clean
-------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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May 31, 2006 - 8:28 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
i vote coolant temp sensor. the one thats right on the motor, not the radiator one . should have a green harness plug.
-------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jun 8, 2006 - 11:47 PM
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 Enthusiast Joined Feb 8, '06 From Nova Scotia, Canada Currently Offline Reputation: 1 (100%) |
Wow!!
2 questions that don't need answers anymore, cool. i have a auto GT and it bogs down once in a while even when it's warm. idles at 400 rpm-- then dies, and kills the battery. needed to know the idle speed. is that 800 rpm for AT and MT? IAC valve and EGR problems give me a headache <-----------or is it because i just spent an hour researching this? anyway, off to bed! --------------------  |
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