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 Karlita_1280 Mar 27, 2014 at 11:48 AM about the 2002 Hyundai Elantra GLS Sedan FWD

Question type: Maintenance & Repair

5 Answers

24,895

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

24,895

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.

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