Question about Mazda MPV
I have a 2003 MPV with the same problem. There was a recall in 2004 to replace the fan controller module, which apparently would fail regularly. I had mine replaced under the recall although there were no symptoms at the time. Now it appear that the replacement has failed, but I've already used the recall and you can only do it once. Even though your warranty is up the recall still applies if your car is of the model that qualifies. Call your dealer, and he can tell you if you are eligible. It is almost certainly the problem. I don't care how you drive or what the temperature is, your fan shouldn't run immediately after starting or run for more than a couple of minutes after you shut it off.
Posted on Jan 05, 2009
I had the same problem as above. Went to dealer bought a $30 fan control module and problem is fixed. took about 15-20 min to install and only a 10mm socked or a phillips screwdriver. either will work.
Posted on Dec 11, 2009
I am hearing 2 different problems. If your fan keeps running a couple of minutes after turning engine off , this is normal. It continues to run until the temp sensor reads below a certain temp. I am also hearing some fans that start running as soon as the engine is sarted ( before it has warmed up ) I have also seen fans that fluctuate speed and/or run a long time after engine shut down. This is a faulty Fan Control Module
Posted on Nov 10, 2011
A lot of times this will happen as the fans are not linked to the ignition switch at all. This is simply cooling the engine down with air. There's a thermal switch that tells the fans to turn on when the water reaches a certain temperature. At this temperature; the fans will engage causing an increase in cooling on your coolant system.
A lot of times this is just simply because of the weather, however, many other factors could be causing this problem. Overheating is a serious problem and should be dealt with quickly. However, usually this is just a sign of hotter temperatures.
This list is a possible set of variables you could be getting this from.
- Ambient (outside) temperature to high for cooling to effectively cool the engine while running
- Low oil causing increased friction within the engine.
- Old cooling fluid cannot provide adequate cooling
- Restricted radiator not allowing enough airflow to keep cooling system working properly
- Low cooling fluid or leak of some sort
- Overloaded vehicle (too much weight causing excessive stress on the engine)
- Binding transmission or brakes somewhere causing excessive stress on the engine
- Excessive throttle usage (driving it like a race car)
Those are some things that will make the engine run hot. It's most likely not running too hot for the engine, but however the cooling system just isn't able to control it to the point where the thermal switch turns the fans off and you must let it sit until they do switch off. As I said before, you most likely have no control over the fans unless you rewire them without the thermal switch engaging and disengaging them which I do not recommend doing.
Posted on Sep 29, 2008
This is normal they are computer controled and will run to cool the engine to the parameters set. when you turn the key you are just reinitializing the system hence why they shut off . they will shut off on their own without draining the battery or have any adverse effects to the vehicle. please rate this.....thanks
Posted on Sep 29, 2008
I had the same problem with my Mazda 2003 MPV. The fan module had to be replaced. The part is about $80, and labor is twice as much.
Posted on Oct 15, 2010
I replaced the fan control module that fixed my problem fan runs normal i found the part on ebay for $55.00 replaced it myself fairly easy
Posted on Mar 21, 2012
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