Question about 2000 Hyundai Elantra

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2000 Hyundai Elantra cylinder #1 and Cylinder #4 misfires plus random misfires changed plugs,wires, igniton coil and has new battery.Idles fine but stumbles under load.Starts to smell of gas after a while

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Posted on Jan 02, 2017

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SOURCE: my 2000 hyundai acc

Possibly coils check compression make sure the plugs are the proper ones some engines are particuler about the plugs

Posted on Mar 04, 2009

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SOURCE: Misfires on 1997 Hyundai Elantra!!!

can you please tell me how to fix these 2 codes on a 1.8L HYUNDAI Elantra p0707 and p0712 i just had the trans rebuilt and now these codes are coming up

Posted on May 20, 2009

  • 1 Answer

SOURCE: 2001 hyundai elantra idling high

weeeeiiirrdddd. i have a 2001 hyundia elentra gls, and my third cylinder is misfiring as well. my car also revs constantly on idle and in between shifting. it will flutter between 2-3000 or it will just stay at 5000. i replaced my plugs and wires to no fix with my cylinder. autozone also told me that it sounds like my throttle position sensor needs replaced, but every part they try to sell me will not fit and they swear up and down this is the right part...

Posted on Nov 30, 2009

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SOURCE: I have a 2002 Hyundai Elantra. The check engine

check for a bad valve. i had the same problem only #3. it was a bad exhaust valve.

Posted on Aug 18, 2010

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SOURCE: my 2000 hyundai elantra idles rough after 5 minutes

check manifold, coil pack, tune up, injector cleaner too. Had mine 12 yrs now.

Posted on Jun 18, 2012

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1 Answer

Cylinder 3 and 4 misfire


Could be a bad cam or crank sensor. But before you go to electronics, ck the plugs, wires & coil or coils (whichever coil system you have) Start with the plugs

Apr 05, 2015 | 2001 Hyundai Santa Fe

1 Answer

2002 elantra cyl 2 random misfire


Hi there:A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.

For example, a P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2; same condition in P0301 - cyl #1, P0303 - cyl #3 and P0304 - cyl #4.

A code P0300 (or 301, 302, 303 or 304) may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
Defective computer

About your possible solutions, if there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.


Hope this helps.

Mar 09, 2012 | Hyundai Motor 2002 Elantra

2 Answers

Car jerks while taking off; changed fuel filter


get a scan tool to retrieve the dtc (diagnostic trouble code).
you will get a misfire code.
p0301 for cyl 1
p0302 for cyl 2 and so on.
i can't recall if that engine has plug wires or coil on plug but if its coil on plug replace the coil corresponding to the cylinder misfire

Jan 12, 2010 | 2003 Hyundai Tiburon

2 Answers

2001 elantra, check engine light comes on and I get a cylinder 2 misfire


Inspect #2 spark plug and the ignition wire to it. Inspect the connector to the plug and to the coil... replace as needed.

Nov 02, 2009 | 2000 Hyundai Elantra

1 Answer

My 2000 hyundai acc


Possibly coils check compression make sure the plugs are the proper ones some engines are particuler about the plugs

Mar 04, 2009 | 2000 Hyundai Accent

3 Answers

2000 elantra misfire code and slow


try spraying some brake clean where intake manifold meets cylinder head and see if engine rpm changes if so chances are the intake gasket is leaking.

Jan 31, 2009 | 2000 Hyundai Elantra

1 Answer

2000 elantra misfire code and slow


The first thing you should do is check the voltage to the coil. the voltage should be around 12 or 13. If their is then the coil could be bad. Buying new spark plugs and wires would not hurt. Try replaceing them first, then the coil.

Please let me know if your problems presist.

Thanks, Charlie

Jan 29, 2009 | 2000 Hyundai Elantra

1 Answer

1998 Cavalier No Spark in cylinders 1 & 4


ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Jan 13, 2009 | 1998 Chevrolet Cavalier

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