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Idle surge on cold start

Old 11-26-2018, 02:07 PM
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Jzx100
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Exclamation Idle surge on cold start

Just recently i noticed when i start the car on a cold start the idle jumps then dips like its about stall then goes back to normal only does it once then after the car is warmed up it doesn't happen again on any other start up...not sure what it could be i was thinking mabey the maf or throttle body.. the car runs absolutely fine no lag or anything will try to get a video on my next cold start...oh and my car is an 04

Last edited by Jzx100; 11-26-2018 at 02:08 PM.
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Old 11-26-2018, 02:27 PM
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Heel Til I Die
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MAF sensor? Fuel pump? Any codes?
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Old 11-26-2018, 02:51 PM
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Originally Posted by Heel Til I Die View Post
MAF sensor? Fuel pump? Any codes?
naw no codes only does it on cold startup
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Old 11-26-2018, 03:10 PM
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Also would like to note it might be unrelated but also on a cold start it squeaks loudly for like a second then goes away sound is coming from under the car dont think its the starter just put a new one in few months ago and its not a grinding noise serpentine belt is new the ac belt still haven't replaced..

Last edited by Jzx100; 11-26-2018 at 03:16 PM.
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