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Hyundai Elantra 2001-2006

5468 messages,  Last post on Dec 08, 2009 at 6:44 PM

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#5446 of 5468 Help diagnosing a problem by kcdonahoe1 Sep 23, 2009 (3:07 pm)
My 2002 Elantra started having trouble in idle about three weeks ago. RPM would shoot up and down between 2000 and 3500 wildly while it was in park or neutral, it was fine when in gear. Computer indicated a problem with idle air control so I cleaned the throttle body, and IAC, but the problem persisted with the addition of a malfunctioning throttle sensor! Mechanic in town recommnended I replace both the IAC and throttle sensor, which I did, but all problems still persist. I thinking the entire computer is whacked! Any suggestions? Please!   Kevin Replies to this message: johngotts (Sep 24, 2009 4:30 am)
#5447 of 5468 Re: Help diagnosing a problem [kcdonahoe1] by johngotts Sep 24, 2009 (4:30 am)
Replying to: kcdonahoe1 (Sep 23, 2009 3:07 pm) Check for a cracked vacuum hose on the top of the engine going from just left of the throttle body to the intake manifold. The hose is about 4" long and is shaped like an "S". You'll see it at the rear edge of the black engine cover, slightly to the right. The cover has to be removed to replace it.
#5448 of 5468 type of oil for the winter by dria24 Sep 25, 2009 (11:37 am)
Hello: I have a 2001 elantra whose milage is 167,058. I keep change my oil every 3,000 miles. I started to hear a tiny sound around the engine, I normally use 10/40 Sensitive good grade oil. I was told that I should go to a thicker oil in the winter time, 10/30 or 20/ something???? Please give me some advice as to what oil should changed to if needed , otherwise the car is running good and plan on keeping it for sometime. can someone respond ASAP, I need an oil change tomorrow. thanks Dria24 Replies to this message: jlflemmons (Sep 25, 2009 12:43 pm) dria24 (Sep 25, 2009 2:08 pm) jlflemmons (Sep 25, 2009 2:43 pm) dria24 (Oct 01, 2009 9:28 pm) and 1 more...
#5449 of 5468 Re: type of oil for the winter [dria24] by jlflemmons Sep 25, 2009 (12:43 pm)
Replying to: dria24 (Sep 25, 2009 11:37 am) I don't know what temps you experience in the winter where you are, but an Elantra shouldn't use 10W40. Obviously, with the miles you have it didn't hurt it, but unless your winters are extremely mild (like nothing below 50F) that is too much of a spread. Where I am the winters can get as cold as upper 20's, the summers over 100F and we run 10W30 Castrol GTX year round.
#5450 of 5468 Re: type of oil for the winter [dria24] by dria24 Sep 25, 2009 (2:08 pm)
Replying to: dria24 (Sep 25, 2009 11:37 am) I live in Nyc and the winter ranges in temp from 15 degree to 60 degrees. So I should 10W30 from now on correct? Pls repond Replies to this message: jlflemmons (Sep 25, 2009 2:43 pm) dria24 (Oct 01, 2009 9:28 pm) stephen987 (Oct 02, 2009 3:31 am)
#5451 of 5468 Re: type of oil for the winter [dria24] by jlflemmons Sep 25, 2009 (2:43 pm)
Replying to: dria24 (Sep 25, 2009 2:08 pm) You might check your owners manual, I think for temps that low they may go with 5W20, though on the rare occasions my Elantras saw temps that low, I had no problems with 10W30. Did I read that correctly that you have 167K miles on your Elantra? Wow, that's pretty good! What brand of oil have you been using?   If you lived in an area where the temps were consistently in the teens and twentys I would definitely go with 5W20. Replies to this message: dria24 (Oct 01, 2009 9:28 pm) stephen987 (Oct 02, 2009 3:31 am)
#5452 of 5468 Re: type of oil for the winter [jlflemmons] by dria24 Oct 01, 2009 (9:28 pm)
Replying to: jlflemmons (Sep 25, 2009 2:43 pm) Are you saying that this is the heaviest oil I should use since I live in the NYC area and the temperature does get cold? Also , since I can hear a little sound in the engine area I want to put a heavy oil for the winter. I dont have a manual. Yes the miles is 167K and still going good. please reply ASAP for directions. thanks Replies to this message: stephen987 (Oct 02, 2009 3:31 am)
#5453 of 5468 Re: type of oil for the winter [dria24] by stephen987 Oct 02, 2009 (3:31 am)
Replying to: dria24 (Oct 01, 2009 9:28 pm) I think most manufacturers used to recommend a lighter oil for winter driving, and a heavier oil in the summer.
#5454 of 5468 oil change for winter months by dria24 Oct 02, 2009 (3:41 am)
So do you suggest the 5W20 for the winter months, is a lighter oil? Please reply asap thanks Replies to this message: jlflemmons (Oct 02, 2009 11:34 am)
#5455 of 5468 Re: oil change for winter months [dria24] by jlflemmons Oct 02, 2009 (11:34 am)
Replying to: dria24 (Oct 02, 2009 3:41 am) Yes, lighter oil, 5W20, in cold weather, 5W20 would be good. Heavier oils do not flow as well when the engine is cold, causing additional wear.

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