Question about Hyundai Santa Fe

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I can't start the engine when is warm, I have a Hyundai Lantra 1,6 1998

When the engine heats up it stops. I can not turn it on until after the engine cools. I changed the spark plugs and ignition coil but nothing.I do not know what to do. Thank you. Cristian

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  • Hyundai Master
  • 22,156 Answers

Iam sure you have a sensor problem here and it could the autochoke is flooding the engine as its not getting the right reading via the computer so check and change the temperature sensors before you start spending money on exotic causes like the computer

Posted on Feb 07, 2014


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Posted on Jan 02, 2017

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SOURCE: 2001 hyundai santa fe 6

OK. just follow the number on the ignition coils.
And the number on the cylinders are.
The FIREWALL side are 1,3,5, Starting from the belts location.
The RADIATOR side are 2,4,6, Starting from the belts location.
The coil with number 1 go to cylinder 1. as the same way the rest of the coils and cylinders.

OK... I hope this solve your question .

THank you for use fixya.

Posted on Jul 25, 2008

  • 61 Answers

SOURCE: Check Engine Light On idling rough once car is warm

Your codes are as follows:

18010: "ECT Circuit High Input"
16684: "Random Misifre"
16685: "Cyl 1 Misfire"
16686: "Cyl 2 Misfire"
18010: "Voltage Supply Terminal 30 Voltage Too Low"

Your codes 16684, 16685 and 16686 are symptoms, not the problems. Obviously your engine is running roughly. So, once you get the problem fixed, these codes should go away on their own.

The 18010 code is normally displayed after the vehicle's computer has been re-set or replaced. If you've recently attempted to reset the computer in an effort to fix your issues, don't worry about this code. It too will go away when you get the main problem fixed. If you haven't reset the computer (or disconnected the battery for any other reason), then you'll want to check your battery cables and the power source cables running to your computer to make sure they're connected securely and are free of corosion.

Having said all this, we get to the root of your problem (code 16502). This code is triggered when your Engine Coolant Temp Sensor goes bad. The sensor typically sells for $60.

To remove and replace it:

  1. Allow the engine to cool below 100°F (37°C) before working on the cooling system.
  2. Note the anti-theft code and radio presets for the radio.
  3. Disconnect the negative battery cable.
  4. Locate the Engine Coolant Temperature (ECT) gauge sending unit.
  5. Drain the engine coolant until it is just below the level of the sensor into a sealable container.
  6. Detach the gauge sending unit electrical connection.
  7. If the sensor is held into the coolant passage with a retaining clip:
    1. Remove the sensor retaining clip, and pull the sensor straight out of the housing.
  8. If the sensor is threaded into the coolant passage:
    1. Loosen the sensor using a crowfoot wrench, a suitable boxed end wrench or a thin-walled 3/8 inch drive 12 point deep well socket and breaker bar.
To install:
  1. If the sensor is held into the coolant passage with a retaining clip:
    1. Install a new O-ring on the sensor.
    2. Using a small amount of fresh coolant or an anti-seizing compound, lightly lubricate the O-ring, and push the sensor in the housing.
    3. While pushing inward on the sensor, install the retaining clip.
  2. If the sensor is threaded into the coolant passage:
    1. Install the sensor with a new crush washer. Tighten the sensor to 12.5-14 ft. lbs. (17-19 Nm).
  3. Plug in the harness connector to the sensor.
  4. Refill the cooling system with the proper type and mixture of coolant and bleed as necessary. For additional information, please refer to the following topic(s): General Information and Maintenance, Fluids and Lubricants.
  5. Reconnect the negative battery cable and re-code the radio as necessary.
  6. Start the engine, allow it to reach operating temperature and check for leaks.

Hope this helps and good luck!

Posted on Jan 12, 2009

  • 1 Answer

SOURCE: 1998 Hyundai excel. Engine stops

Thanx, have fixed the problem now... wasn't the computer lol. It was the crankangle sensor.... thank you all for your help.

Posted on Mar 07, 2009

  • 6982 Answers

SOURCE: 89 s10 blazer no spark

There is no test for module in distributor, but they often cause this kind of problem. Also while in there, check the pickup coil wires to make sure they are intact.

Posted on Mar 14, 2009

  • 158 Answers

SOURCE: ford telstar ignition coil f-694 and igniter deliver no spark

your distributor modual needs replacing

Posted on Apr 01, 2009

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