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starting up and sputtering a brief time then clears up, any ideas? (below freezing)

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Old 12-10-10, 04:26 PM
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Angry starting up and sputtering a brief time then clears up, any ideas? (below freezing)

Car recently has been starting up funny, i start it up and its running like crap...i almost thought the engine was blown until it cleared up. Idk what the problem could be, it clears up in like 30 secs or less. engine has 25k+ mileage on rebuild, car is in below freezing temp (id say 14 degrees)

im actually running 20w50 oil in it right now , which i probably should change..but i'm not planning on driving the car, i was just parking it in a new spot to store it when this happened

cold start, 5/6 ports removed, as well as all the emissions stuff, have a full exhaust/header on the car as well
Old 12-10-10, 05:05 PM
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that is expected with that temp. my old na with all the same mods and a rebuild ran like hell for the first 45 seconds if it was below 40 degrees
Old 12-10-10, 05:15 PM
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Originally Posted by eff_three_see_es
that is expected with that temp. my old na with all the same mods and a rebuild ran like hell for the first 45 seconds if it was below 40 degrees
really ? my car never ran like this before, ever in the 6 years ive owned it, so it just seems strange. I'm pretty sure i've ran it in this temp before too.
Old 12-11-10, 09:20 AM
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so no one else can confirm that i have nothing to worry about ?
Old 12-11-10, 09:52 AM
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when was the last time u changed ur fuel filter. i ran into this problem when i first got my seven.
Old 12-11-10, 10:05 AM
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you might want to have your fuel injectors serviced or replaced in case they are leaking. usually, when that happens, your primary injectors cant hold pressure and drip a little fuel into the block after the car is turned off. mine is doing the same thing. nothing to worry about, its just fuel that has settled.the best thing to do is before you turn off the car, give it a nice rev (1500-2000rpm range). it will help clear out the system before the engine shuts down.

its kinda like a smoker with worn out lungs. when you wake up in the morning, you have to clear your throat before you can breathe properly.
Old 12-11-10, 12:49 PM
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Originally Posted by wtfdidusay82
Car recently has been starting up funny, i start it up and its running like crap.. car is in below freezing temp (id say 14 degrees)



cold start, 5/6 ports removed, as well as all the emissions stuff, have a full exhaust/header on the car as well
there ya go..
You just answered your own problem.
Old 12-11-10, 04:47 PM
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Originally Posted by btbaus
when was the last time u changed ur fuel filter. i ran into this problem when i first got my seven.
got fuel filter when the engine was put in after being rebuilt, id say about 25k miles ago
Old 12-11-10, 04:48 PM
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Originally Posted by misterstyx69
there ya go..
You just answered your own problem.
well the car never done this in the 6 years ive owned it, and its been exposed to these conditions before..
Old 12-11-10, 04:50 PM
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Originally Posted by blackrotary23
you might want to have your fuel injectors serviced or replaced in case they are leaking. usually, when that happens, your primary injectors cant hold pressure and drip a little fuel into the block after the car is turned off. mine is doing the same thing. nothing to worry about, its just fuel that has settled.the best thing to do is before you turn off the car, give it a nice rev (1500-2000rpm range). it will help clear out the system before the engine shuts down.

its kinda like a smoker with worn out lungs. when you wake up in the morning, you have to clear your throat before you can breathe properly.
can this cause anything bad to happen ? ive had the injectors flow tested/cleaned before i had the engine put in , along with the fuel filter replaced with a new one at the same time.

i was thinking it was running rich , just smelled like gas it seemed from the exhaust pretty bad..but like i said clears up relatively quick.
Old 12-14-10, 12:54 AM
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well come to find out, i am pretty positive the coolant seals are blown, car is pouring out smoke like a banshee and the car just had the coolant buzzer go off.

i actually overheated the engine a few times after initially installing it after it was rebuilt due to a bad clutch fan. 25k miles later the seal finally gave out.

how long you think it has before its blown completely ? i don't plan on driving it , i was just curious
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