M 2002 Hundai Elantra wont accelerate past 20 MPH but the RPM goes to 4 or 6 what can be the problem i was thinking transmission but....


Asked by Mar 27, 2014 at 11:48 AM about the 2002 Hyundai Elantra GLS

Question type: Maintenance & Repair

5 Answers

Mark Grignon

You may be building excessive back pressure due to a clogged up catalytic converter on your exhaust system. Can you hear any rattling under the car?


I haven't then again my car makes lots of noise due to an accident i had and there's something under the car i need to get fixed, so i cant tell the difference. sorry


ohh and the check enginee is on too

Mark Grignon

If you can get it to an auto parts store, they can retrieve the codes for you with an OBD-II Scanner. That would help us a lot to be able to diagnose the problem. Once you get the codes, post them on here in a new thread and we can get you some help.


Thank You Mark :)

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