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#1
03-22-2005, 04:59 PM
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car idles to high need help
i have an 89 240sx with an sr20det redtop in it i was driving it yesturday everything was fine but today when i started the car it was idleing at 3500 rpms when i put it in gear and drive it it returns to normal rpm but as soon as i put in the clutch to change gears to rpms jump again it only jumps when the clutch is in or the car is in neutral please help
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#3
03-22-2005, 05:18 PM
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yea when i start the car now it jumps to 3500 im not sure whats going on but once its in gear it drops to normal it only does it when its in neutral or when i put the clutch in to shift gears
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#4
03-22-2005, 05:27 PM
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Re: car idles to high need help
That happens to me sometimes but it has never happened to were it jumps to that high of an rpm level. maybe an maf problem or fuel delivery._what kind of fuel pump do you have?
__________________
-1991 240sx redtop sr20det Upgrades: HKS bov,intake,exhaust Greddy Profec b boost controller Future MODS:build 272 cams,gears,valve springs(tomei) coilovers wheels Front mount turbo upgrade
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#5
03-22-2005, 05:33 PM
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walbro 255
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#6
03-23-2005, 11:50 AM
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Re: car idles to high need help
probally the injectors, check them out and see if they even look out of the ordinary. if thats not it then check your entire fuel delivery system becuse it sounds like one of the cylinders probally is gettin to much fuel
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#7
03-23-2005, 12:09 PM
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Too much fuel would bog the engine not rev it to 3.5
Are you forcing the RPM down once in gear or does it do it with the clutch in too? sounds like you've got a wiring problem. I dunno if the IAV would be able to get the RPM that high though. Adjust your Throttle... it could be something gay like that EDIT: Finished (gay teacher) Last edited by R.W.240; 03-23-2005 at 03:54 PM.
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#8
03-23-2005, 01:53 PM
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Re: car idles to high need help
adjust the throttle cable...
__________________
"A good driver is measured not by his lap times, but by the amount of time he spend trying to make sense of his car" E.K.
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#9
03-24-2005, 12:45 PM
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Re: car idles to high need help
engines always rev high when cold.
if it stabilizes when it warms up, this is normal. if not it could be your water temp sensor or tps.
__________________
438whp / 373tq - 11.9 @ 126 
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#10
03-24-2005, 01:11 PM
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Re: Re: car idles to high need help
Quote:
Yeah But 3.5? mine does 1500 Cold and 800-1100 (depending on how the IAV is feeling I guess)
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