Question about 1994 Honda Accord

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The engine cooling fan will not stop. Battery was dead yesterday, needed new one, put it in, then fan started and would not stop (for hours)had to disconcect the battery. What is wrong?

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  1. locate the engine cooling fan relay/disconnect/does fan stop
  2. if so reconnect relay
  3. locate fan switch in radiator or intake manifold
  4. disconnect switch/does fan stop?
  5. if so replace switch
  6. if not replace relay
  7. this solution does not check for electrical wiring problems
  8. such as opens or shorts to ground

Posted on Jul 27, 2010

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Your thermostat is bust, replace it,

Posted on Jul 27, 2010

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1989 ford f 150 i been driving and the engine stop fuel have don't start


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2002 V70 Battery keeps going dead, tests after charge okay (540cca on a 600cca battery). The AC comes on hours after the engine has been shut off and key removed. I know this is supposed to happen after...


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When I turn the key, I can hear the engine trying to start, but nothing happens. This started yesterday, I was driving home on the interstate when my car suddenly just decelerated and stopped. I couldn't...


the engine did not die because of a defective starter. either some mechanical or electrical component has gone awry, or you ran out of gas. putting a new battery and/or starter in a car with a dead engine will not cause the engine to start.

you need to have someone with some mechanical knowledge take an actual look at it. someone over the internet cannot diagnose nor divine which of the many components has malfunctioned causing the car to quit.

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I have a 94 Buick Regal Custom with a 3.8 V6 engine I just got a new battery two days ago and yesterday I was driving to work and my car started to overheat when I pulled into work and looked under the...


It may be that the coolant spraying from the open radiator shorted out the electric cooling fan. This would cause overheating even after refilling the antifreeze, and if the short is severe enough, could also drain the battery. Try charging the battery with a plug-in charger overnight, and remove the fuse for the radiator/cooling fan. If it starts up and runs as normal until it begins to heat up, this is probably the case. It would be a good idea to clean the whole engine with degreaser, being careful not to get it in the alternator, and to clean all electrical components with QD contact or electrical cleaner. It could also be a short in the heater fan circuit, but this is less likely. It is more likely that the draw from the heater fan took too much power away from the radiator fan, especially if the battery was marginal due to excess heat or shorting from having gotten very wet. Also, check that the polarity on the battery is correct, just for good measure.

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the temperature sender unit activates the fan
replace it! & get a new mechanic!!!!
Cheers Rob
PS:
im in AUSTRALIA & I just dont believe how much you guys get ripped off!
ITS STAGGERING!!!

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2002 S80 T6 engine fan will not shut off when ignition is shut off thus draining battery


Some cars are simply wired in a manner to run the cooling fan with the key off and the doors locked in order to keep underhood temperature from climbing way too high for plastic engine parts to survive.

Usually there is not a problem with a dead battery because the fan switch will shut off the fan hours before the battery dies. If your battery is dead after such an episode it's more likely that you need a new battery than anything is basically wrong with the logic or operations of the fan switch. But it won't hurt to check the operational temperature if that is needed.

If you re-wire the switch to only operate when the key is on then you run the risk of over temperature on all your plastic parts under the hood. Some high dollar engineer has staked his/her reputation on having the wiring as it IS. It bugs the heck out of me too but maybe it's better to live with it?

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you have a bad fan swtich in the block or the therostat housing its an easy fix

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Slow start - need to sit for a while - then starts fine.


Hey, 2 words.....Voltage Regulator! i had this problem and before you spend too much, check and make sure that your fan is grounded b/c most must be and then try an actual Diagnosas check normally around $80 but is does pin point whats wrong. Either Voltage regulator or you have a short.

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Slow start - need to sit for a while - then starts fine.


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