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Thread: cooling fans run continuously
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03-08-2006, 01:09 AM #1
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- Jan 2006
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- Phoenix
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- 64
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white- 1994 Z28 Camaro
cooling fans run continuously
i have a 1994 Z28 with LT4 hotcam kit and ported heads. It runs ok except that the idle is a little rough.... until i hit the gas and it smokes the tires. I took it to emissions testing and I noticed a couple days later that the cooling fans turn on as I flip the ignition switch to on and the car hasn't even started yet. They stay on until I turn the car off. I hope the emissions center didnt screw up my Computer somehow. It is the only thing I can think of. I took the connector off the water pump sensor and the fans still ran. I took the relays out and the fans shut off and turned back on when i replaced them. The engine was cold at the time so that rules out high temp switch I think. I have no trouble codes either. So what is the problem here? I am puzzled.
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03-08-2006, 09:35 AM #2
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- Aug 2005
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- 47
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Mag Red- '98 C5
maybe your ac switch is on just enough for your fans to turn on and you havent noticed it yet....just a thought
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03-09-2006, 09:55 PM #3
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- Jan 2006
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- Phoenix
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white- 1994 Z28 Camaro
Sounds like an idea. I will check in a day or so and let you know.
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03-10-2006, 06:52 PM #4
Check to see if your maf sensor is plug in...Thats a sign when the fans are always on.
1996 Z28 LT-1 (with basic bolt-on)
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03-11-2006, 12:35 AM #5
- Join Date
- Jan 2006
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- Phoenix
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white- 1994 Z28 Camaro
I will check both it items and let you know what i find.
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03-11-2006, 02:11 AM #6
There may be a ground somewhere.
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03-11-2006, 08:33 PM #7
- Join Date
- Jan 2006
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- Phoenix
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- 9
white- 1994 Z28 Camaro
there is definitely a ground somewhere. I discovered what the toggle switch under the cigarette lighter was for....it turns the fans on whenever i feel a need to use them. I always wondered why that toggle switch was there...hehehe. I guess the owner before me read up on manual override of the fans.
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03-12-2006, 02:03 AM #8Originally Posted by z28freakout
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