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My Toyota Noah 2004 engine turns over but will not start and the fans runs continuously. Why?

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  • 306 Answers

I think the fans do that, but engine probably needs a crank sensor if it has one.

Posted on Oct 12, 2018

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6ya6ya
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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: Both radiator fans on my 2002 Toyota Solara V6 run constantly

Check to see if the radiator fan relay has gone bad and needs to be replaced. Once you located the relay, (in the fuse box under the hood) Try swapping it out with another relay and see if the fans stop, if the fans stop working with the swapped relay, replace the relay. It's know for the relays when they go bad to stick and will have a close loop. Good luck and hope this helps. Keep me posted, be glad to help you get your car running 100% again soon.

Posted on Nov 03, 2009

  • 212 Answers

SOURCE: My engine fan continues to run after the car is

It should run until it cools. even after you turn it off

Posted on Jun 11, 2011

chuckjbracke
  • 54 Answers

SOURCE: MY AC FAN FOR TOYOTA NOAH 1999 DOES NOT WORK

did you have the relay checked? does the a/c light come on when you turn on the a/c?

Posted on Jan 24, 2012

Terry Corrow
  • 10875 Answers

SOURCE: Toyota Noah 2002 model1AZ suddenly stops to revv as I drive. diagnosis gave code P1633. changed the ECU but the problem has continued. I just observed that the fans where not kicking automatically.

ecm malfunction,ects circuit,bring it to toyota,because you need to replace the ecm again,make them fix it and get your money back

Posted on May 25, 2015

  • 53736 Answers

SOURCE: Hi sir/madam can the 1998 Toyota liteace Noah 4cylinder diesel engine automatic transmission worked on the 4cylinder 3S Toyota Noah engine,if I'm planning on changing the engine from diesel to gas?

it should as the vehicle came with the diesel as an option
check for any wires and connections that may differ.

Posted on Jun 19, 2015

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Toyota Noah 1AZ-FSE STALLING AFTER APPLYING BRAKES
Repair your engine right away. Just click on the link I attached
https://www.reliable-store.com/products/toyota-noah-1az-fse-engine-workshop-service-repair-manual

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You need 3 things to start an engine: spark,fuel and compression. Assuming the compression is ok, you've lost either spark or fuel. try spraying some starting ether into the intake hose and try starting it. If it starts for a moment, you have a fuel issue. If not, you may have a bad ignition coil.

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1 Answer

I have 2006 Toyota Noah how long should my radiator fan run
I am not familiar with your model, but the "rule of thumb" is :
The radiator fan "to cool the engine" will run until the engine temperature has cooled sufficiently to allow the temperature sensor to kick off.
(That temperature sensor is screwed into the engine block.)
This may be as little as a minute to as many as 5-8 minutes.
If your car had air conditioning, that would be yet another fan, that should run only when the air conditioning is turned on.

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It overheats after a continuous drive of about 100kms
There are items you need to check.
1. Is the cooling system losing coolant. If so the engine will overheat and you need to find the location of the leak. It may be internal to the engine or an external leak from a hose, a water pump seal or a crack in the radiator or a failing radiator cap.

2. Is the electric radiator fan coming on when the engine coolant temperature increases? If the coolant is getting hot the fan or fans should be running. If not your need to detect the cause of the fan not starting .

3. You may have a partial blockage in the radiator with a build up of debris which is slowing coolant flow through the radiator or a partial blockage in the cooling jackets in the engine. Coolant needs to be removed from the engine every few years, the radiator flushed out and then new coolant is added to the system.

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1 Answer

Hi sir/madam can the 1998 Toyota liteace Noah 4cylinder diesel engine automatic transmission worked on the 4cylinder 3S Toyota Noah engine,if I'm planning on changing the engine from diesel to gas?
it should as the vehicle came with the diesel as an option
check for any wires and connections that may differ.

Jun 19, 2015 | Toyota Cars & Trucks

2 Answers

Toyota Noah 2002 model1AZ suddenly stops to revv as I drive. diagnosis gave code P1633. changed the ECU but the problem has continued. I just observed that the fans where not kicking automatically.
ecm malfunction,ects circuit,bring it to toyota,because you need to replace the ecm again,make them fix it and get your money back

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Toyota noah
loose ignition run wires at the switch, position sensors, faulty ignition switch, too many heavy items hanging from the key

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Toyota noah problems, my engine can not start,it is a 1AZ engine 2002, it started by overheating. I suspected it was the thermostat which we removed but still continued, i thought it was the temperature...
If it already started I don`t how it could be the memory from the computer.Start from the beginning make sure u have fuel,then check to make sure u have spark and compression in the engine.If u have all three it should start the computer should not effect your engine starting.

Apr 02, 2014 | Cars & Trucks

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My toyota noah 2002 (1AZ engine) starts and fails to idle
The automatic idle valve may need cleaning or the control module that operates it may be bad.

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