Question about Hyundai Motor 2002 Elantra

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I have a hyundai elantra gls 2.0L, I have a miss fire in cylinders 1 and 2, I have replaced coil pack, plugs, wires, fuel injectors, problem is worse., brought car to shop and ran compresion test-ok, smoke test for leaks-ok, check spark-ok. im stuck now, shop doesnt know problem and I dont either.. please help..gary

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SOURCE: 2003 hyundai elantra gls front wheel stud broke

grab a large punch and hammer and knock out the old broken one. Push the new one in and re tighten. This will pull it into place and because it has splines it should not spin while doing so.

Posted on Jun 10, 2009

Testimonial: "excellent advice"

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SOURCE: where is the thermostat located in a 2005 hyundai

top radiator hose goes to engine its under that housing

Posted on Jul 18, 2009

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SOURCE: Please provide torque settings for the head bolts

1st stage 45lbs then 65 then 85

Posted on Aug 21, 2009

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SOURCE: 2002 Hyundai Elantra GLS, headlights burn out constantly

Folks, I had this problem for years...it turned out that the voltage control module on the alterntor wasn't working correctly. It eventually led to a major problem with consistant operation of the vehicle. the dealer couldn't figure it out...it took a seasnoned mechanic to solve the problem. I haven't had a problem since I got the alternator replaced. Wear your gloves when you change them, yes, but don't discount your alternator.

Posted on Dec 26, 2009

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SOURCE: My 2000 Hyundai Elantra runs rough and my code

Is your check engine light on? I have the same probelm with my 2002 Elantra. I think it may be connected to the O2 sensor with regulates the emissions, and can cause poor fuel economy. I know I need to get it fixed, but am waiting for funds to do so. Does it seem worse after you fill it with gas? I am just curious since that is what mine does.

Posted on Jan 20, 2010

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How do I arrange my spark plug wires on my Hyundai Getz go 2002


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Dec 16, 2015 | Hyundai Cars & Trucks

1 Answer

Does a 2002 hyundai elantra has fuel injectors ?


Yes it does. A fuel injector is a device that atomizes and then delivers the fuel into the cylinder just before the piston squeezes the fuel and air mixture and the spark from the spark plug fires. Ergo your 2000 Hyundai Elantra being a 4 cylinder vehicle, has 4 fuel injectors.

Jun 22, 2014 | 2000 Hyundai Elantra

2 Answers

Engine light flashing whole car shakes and motor sounds like a helacopter..... tested it and it said spark plug 4 misfired........... replaced all 4 spark plugs and it's still reading as a misfired spark...


Sounds like it's either a coil pack or an injector to me, try switching the number four coil pack with any of the other coil packs if the miss follows the coil pack you need to replace that coil pack. if not it's either a fuel injector or a mechanical problem inside the motor, I would rent noid lights from a local auto parts store and look for injector pulse in the cylinder with a misfire, if the noid light is flashing it may be better to leave it to a professional as it is likely internal engine damage. hope that helps. chris

Feb 15, 2014 | 2005 Hyundai Elantra

1 Answer

Hyundai elantra 2002 misfire problem while driving


are the leeds ok and the coils this also causes a miss fire

Aug 16, 2012 | Hyundai Motor 2002 Elantra

1 Answer

2003 Hyundai Sonata with 4 cyl. PO301 error code. Have replaced spark plugs, wires, coil packs, and mass air flow sensor. Replaced air filter due to heavy gas smell. Car was starting after tapping gas 3...


P0301 - Cylinder 1 Misfire Detected.

Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Being you have a heavy gas smell I would look into the injectors. If injector #1 is over producing it can cause a misfire. Test your compression and fuel pressure.

Jan 17, 2011 | Hyundai Sonata Cars & Trucks

1 Answer

PO301 code on Hyundai Sonata. Replaced wires, plugs, coil packs, and mass air flow sensor.


P0301 - Cylinder 1 Misfire Detected.


Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder


Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Jan 17, 2011 | Hyundai Motor 2003 Sonata

1 Answer

My 2000 Hyundai Elantra runs rough and my code reader says that cylinder #1 is miss firing. I replaced the spark plug and gaped it, checked the wires and they are good, replaced the injector and the coil...


Is your check engine light on? I have the same probelm with my 2002 Elantra. I think it may be connected to the O2 sensor with regulates the emissions, and can cause poor fuel economy. I know I need to get it fixed, but am waiting for funds to do so. Does it seem worse after you fill it with gas? I am just curious since that is what mine does.

Jan 09, 2010 | 2000 Hyundai Elantra

3 Answers

Misfires on 1997 Hyundai Elantra!!!


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Mar 20, 2009 | 1997 Hyundai Elantra

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