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Reply With QuoteHigh temps is not causing high idle,is it going into closed loop?~??Originally Posted by Highball
Is the MIL illuminated?~??
Sure the throttle shaft isn't worn and sucking air or IAC sticking.
160 thermostat question
Hey guys I'm new to the site but have heard many good things. I have a 96 LT4 and I've tried reading up on cooling it down but still not quite sure about it. As far as I know it has stock thermostat temp wise at least but would installing a 160 help cool it down. Jus aggravating in traffic when car idles high and pulls car without hittin the gas. Thanks for any help everyone
High temps is not causing high idle,is it going into closed loop?~??
Is the MIL illuminated?~??
Sure the throttle shaft isn't worn and sucking air or IAC sticking.
junk!!
"WARNING"
The views and opinions of this forum user might not be suitable for others, this user may appear to be heavily over-medicated, under medicated, intoxicated, listening to the voices in his head or just plain being an ass, so some viewers may be offended!~!!!
www.gmjunkie.com
Founding Member: 10 Corvettes Anonymous
Ugh I'm not sure. There's not any codes poppin up. But if u turn car off and turn it back on then it idles fine til u hit gas. But it only does it when it's hot
What rpm idle your idle at, and what temp is your coolant at, when you say that it idles too fast?
Why do you want to cool it down i.e., what coolant temps are too high? I would stay away from 160* t-stats, unless you have a highly modified engine and tune to match, as they can create problems with stock OEM engine and tune.
Master Technician
20 year ASE Master Certified Tech
Normal idle is 600-700 it looks like. When temp gets over 200 or so is when it starts idling higher. Between a 1000 and 1800 rpm depending how high temp is. And car does have a bbk power plus throttle body, jet chip, headers, and aftermarket exhaust with x pipe
I'd check with a scanner in data mode to see what the sensors are doing first,then depending the outcome of that, I'd check for other things! Out of range temp sensor,Gummed up IAC,Loose worn throttle shaft in throttle body,Loose intake bolts,loose throttle body bolts,cracked vacuum lines,and all electrical grounds!~!! Non-Existent or High Resistance grounds make electronics do weird Sh*t!~!!
PS Where are you in NC?
junk!!
"WARNING"
The views and opinions of this forum user might not be suitable for others, this user may appear to be heavily over-medicated, under medicated, intoxicated, listening to the voices in his head or just plain being an ass, so some viewers may be offended!~!!!
www.gmjunkie.com
Founding Member: 10 Corvettes Anonymous
Alright thanks I'll try an check that here soon. It gets annoying stuck in car show traffic with it idling high so it'll be soon
And I'm in Gastonia. Sorry didn't see that part earlier
Replace It
There is nothing wrong with putting in a 160 temp thermostat and it's like $20-30 and should take less than 10 minutes to install. Though usually you'll want to reprogram the fan to come on at 180 along with it.
Only thing it's going to do is help your A/C blow out colder air.
But there could be something wrong as well. I briefly remember reading some troubleshooting tables in my service manual about your problem. There's a good chance you've got some sensors that are going bad and the heat aggravates the issue.
Thanks j3rd. Ima get a full diagnostic done tomor. Hopefully that will let me know what's goin on
Well guys I fixed the problem two bucks later. Lol. My throttle return spring wasn't springy anymore. Put a new one on and no more high idle.
Don't you love it when it's something simple
Running too hot
I was having problems with my 94 Vette running hot all of the time (by running hot I mean 225 which is supposed to be normal but it's too hot to please me. I hooked the coolant fan up to a manual switch so I can leave it on in town and it works a lot better.
Lynn
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