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03-31-2005, 01:17 PM
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#1
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Help Bluebird94 please
In the other post I had scanned the computer found codes for 02's and coolant temp sensors. He replaced them thinking this would solve his problem of the engine running at arouns 255* well he replaced them and came back. Now the fan turns on, but still running extremely hot. I noticed the cam sensor reading went from "Detected" to "Not Detected" the whole time i was scanning. I dont know if this is normal. Also I am unable to clear the codes, the PCM is telling me "Vehicle Not Detected" however two seconds earlier i JUST read the codes. From what he tells me the temp will peg out to 260* on the gauge (which is about 245 on the scanner) in about 4 minutes of driving from a Dead cold start. It sat for two days! Please help us. Thanks
Jon
BTW its a 94 Firebird 3.4L
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03-31-2005, 01:21 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Are you sure the motor is actually running that hot? Or is it just the guage/sensor? For the coolant to go from 50ish degrees to 260 degrees in 4 minutes of actual driving time (with airflow over the radiator) means there is an issue with the cooling system. Is the thermostat working properly?
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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03-31-2005, 01:39 PM
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#3
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14 Second Club
Join Date: Aug 2004
Location: RUM$ON, NJ
Posts: 2,308
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First thing I would do is try a mechanical gauge. After that check the thermostat
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Quote:
Originally Posted by The Fapist
K0ll is a hick and has a veritable fleet of 1980-early 90's GM vehicles :mullet:
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03-31-2005, 01:58 PM
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#4
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Yeah that was my thought that it was reading incorrectly, however he is bringing this to me up at school so I have no other means of checking this thing out. I personally have told him i dont think its actually running that hot, but am not able to be sure since i dont have tools at my disposal. the sensor was just replaced yesterday, and we solved the no fan problem. My money right now is on his thermostat not working i told him that today. But other than that any ideas on the cam sensor acting up?
Jon
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03-31-2005, 02:22 PM
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#5
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Join Date: Oct 2004
Location: Piscataway, NJ
Posts: 213
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ill call my mechanic later and see what he thinks and im waiting for my stepdad to call me back..he used to be a mechanic too, and former fbody owner, so maybe he'll have some ideas
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03-31-2005, 02:59 PM
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#6
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Join Date: Oct 2004
Location: Piscataway, NJ
Posts: 213
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nevermind on the mechanic thing, the guy was an ******* over the phone, saying id have to bring it in so he could have a look at it and **** and then charge me 80+$...
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03-31-2005, 05:38 PM
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#7
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Just go buy a reg. sbc thermostat - they are $3.95......pull the little o-ring off of your old one, pop it on the new one, and reinstall. (O-ring trick saves you the extra money of buying an LT1 thermostat)
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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03-31-2005, 07:12 PM
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#8
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Join Date: Oct 2004
Location: Piscataway, NJ
Posts: 213
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no need for that, it was a leak in the water pump..the reason it was over heating was because there was no coolant in the radiator and water was leaking out through the pump or something...but its find for now, i might have to replace the water pump soon though
thanks for everyones help
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03-31-2005, 07:36 PM
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#9
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Guest
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when all else fails check your coolant level.... wait shouldnt you have done that first? lol
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03-31-2005, 07:43 PM
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#10
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Join Date: Oct 2004
Location: Piscataway, NJ
Posts: 213
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yeah and it was practically empty so i filled it up, but for some reason i guess it didnt go into the radiator, so my stepdad opened the radiator cap and filled it through there...im not an idiot lol
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