Question about 2002 Hyundai Accent

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2002 Hyundai Accent. Radiator fan turns on when cold, even if I just turn the key to the "on" position, then turn it back off, the rad fan will turn on and run for about 2 minutes. If I turn it back to the "on" position, it will cut the fan off. When running the car, the fan will turn on as well right away, engine is ice cold, temp gauge shows cold too. Pulled the relay while fan was running, cuts the fan and you can here a humming from engine for those 2 minutes (roughly). Switched relays, relay is fine. Please help, my wifes work car

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Ems sensor is start with. They will wear out in time and cause this problem is start there.

Posted on Jan 03, 2015

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  • 54 Answers

Temp sensor

Posted on Oct 13, 2013

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Posted on Jan 02, 2017

  • 34 Answers

SOURCE: heater problem

is your heater set on defrost this will cause your engine fan to run because it turns on the compressor for air conditioner this helps to extract moisture from your warm air defrost  and the fan in the engine compartment helps keep it the engine cool from the extra load on the engine this is normal 

Posted on Feb 17, 2009

vatticus
  • 20 Answers

SOURCE: Hyundai Sonata 06 engine runs key out ignition in off position

car should be under warranty .. try having a new key made .if that dosent fix it. it's in the key lock maybe a wire loose .

Posted on Jan 21, 2009

ghost4548
  • 776 Answers

SOURCE: from cold start engine warms to quater temp then

Does the Check Engine light come ON when this happens? Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/set in ECM. Otherwise, guesswork. I have MANY ideas that could send you on a wild goose chase. I strongly suspect EMS (Engine Management System) sensor beginning to malfunction as it warms up. First strong suspicion is the crank position sensor (CKP) - however,usually always sets a DTC (i.e., P0335, P0336). The next suspicion is the Engine Coolant Temperature sensor. The ECM uses this sensor's signal to adjust fuel, timing, engine RPM, etc based on engine temp. If malfunctioning at a particuar point during engine warm up, it could be telling the ECM the temperature is LOWER or HIGHER than it ACTUALLY is, resulting in the ECM to increase fuel (flood it) or give it LESS fuel (starve it). If this malfunction lasts long enough, the ECM will usually set a DTC for that sensor circuit, either a Range/Performance code, or a "LOW Input" or "HIGH Input" code.

Posted on Jun 07, 2009

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Apr 05, 2013 | 2001 Hyundai Tiburon

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Hyundai accent 2001 will not start all lights work radio works heater fan works battery in 3 months old when I turn the key all i hear is a humming sound for about 1 min. than nothing. weather has be


The humming would be the fuel pump coming on. It should only hum for a few seconds, then shut off.
Your problem is with the start circuit from the battery to the starter, or from the ignition switch to the starter solenoid. Check the connections at the starter (the big cable) for tightness.
Is the battery charged up enough to turn the engine over? Check by turning headlights on and observe while someone turns key to crank. If they dim a LOT, then either battery is too low, or the starter is bad and needs removing for testing. If brightness doesn't change, then the circuit from ignition switch to starter solenoid is likely not working. Check for 12 volts at the small wire to starter solenoid with key in cranking position. If you have power there, the solenoid may be bad. Remove starter for testing. If no power at solenoid in starting position, then either the ignition switch is bad or the neutral safety switch might be the problem, or the wiring from the switch to the starter solenoid is not passing current.
Good luck.

Jan 14, 2012 | Hyundai Accent Cars & Trucks

1 Answer

2000 hyundai accent runs good though,when it gets up to temp. the car shuts off ,when it gets cold again it starts right back up whats my problem has a new radiator in it


car shuts off when temp, gets to normal--- causes: low coolant, failing coolant temp. sensor, air in water pump, failed radiator fan, kinked heater hose, check the coolant temp. sensor first.

Apr 26, 2011 | 2000 Hyundai Accent

1 Answer

Where is the temperature sensor located on a 2002 hyundai accent


okay temp is not hot enough check thermostat temp rating is it 195 degree etc. are you in a cold climate state? Maybe you need to get a thermostat of a hotter degree[four seasons 195 degree should do it]. If this is what you have (195 deg. thermo) then it might be stuck open not allowing the heat to build up. Another possibility is air in the radiator system, bleed system. This too might be of help the blend door, which is operated by the HOT to COLD lever on your climate control panel, might not be moving all the way closed to stop the cold air from coming in the mix area with the heat. Move the lever back and fourth to feel any change in heat with your hand. Put the defroster on fan on high and put one hand near the defroster vent thee other hand moving the temperature selector. Do you have some sort of heat and you can feel the difference from hot and cold, then my recommendation is to check thermo degree rating, if ok then try to flush radiator, and if that does not work --replace Heater Core. Thank you for allowing me to help you if you need me just write,Lee

Jan 09, 2010 | 2002 Hyundai Accent

1 Answer

1999 Hyundai accent.the radiator fan is working intermitent.it suposse to turn on and off to keep normal temperature. but the fan dont turn on many ocasion geting motor hot. help Thanks


Spin the fan motor (when cold and engine off) and listen for bearing noises or quick stopping. Check the electrical wiring--especially the local grounding point. Check the fan fuse and relay for looseness in their sockets. Make sure the electrical connection at the thermal sensor is tight and free of corrosion. Hope this helps find your problem.

Nov 15, 2009 | 2001 Hyundai Accent

1 Answer

2002 accent


No "fuel pump reset" unfortunately..
If you disconect the positive cable on the battery for several minuets - that will reset everything..

Hope this helps !!
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Jul 10, 2009 | 2002 Hyundai Accent

2 Answers

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Flush rad & change coolant & thermostat. Check operation of rad fan, & make sure it is coming on when engine reaches normal operating temperature. Be sure to bleed air out good when refilling rad/cooling system. Start engine & turn heater on when refilling & let rad fan come on & off at least 2 or 3 times before putting cap back on rad, and refill rad as needed as you do this. then fill return bottle to proper level & see what happens.

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