TUCSON CHECK ENGINE LIGHT

2005 Hyundai Tuscon

Tiny

hodgined

April, 22, 2011 AT 5:36 PM

My wife just bought a 2005 Hyundai Tuscon 2.7 4-cyl. With 68000 miles. Today she was pulling out onto a main road when she noticed the car sputter two or three times and then the check engine light came on. What could be the cause? She's afraid she just bought a lemon. Help!

FOUND 17085 RELATED QUESTIONS

3 Answers

Tiny

rasmataz

April, 22, 2011 AT 5:37 PM

http://www.2carpros.com/articles/service-engine-soon-or-check-engine-light-on-or-flashing

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.

Tiny

hodgined

April, 22, 2011 AT 5:48 PM

Other forums I've looked at suggest possibly bad speed sensors in transmission or something to that effect. Thoughts?

Tiny

hyundaitech

May, 21, 2011 AT 2:28 AM

The two most common causes for Tucson stumbling/stalling (that I've seen) are corroded fuel rails and faulty throttle position sensors. On the 2005 models they had aluminum fuel rails that were prone to oxidizing and causing stumbling/stalling issues. The TPS sensors would fail without setting a check engine light but were distinguished by the vehicle stalling when coming to a stop. With 68k you should also suspect the plugs/ignition system.

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