2005 Hyundai Elantra Left oil cap off for 2 weeks. Now car

JEFFERY G KANSAS CITY

MEMBER
2005 HYUNDAI ELANTRA
4 CYL
2WD
MANUAL
49,678 MILES

I put oil in 2 weeks ago, and realized yesterday i'd forgot to replace oil filler cap. Was no signs of leaking or spillage. No burning smell, but my car is REALLY sluggish getting up to speed ( including engine revving at high rpm's to achieve this). Runs ok once up to speed. What has happened, and what can I do?

5 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Hi Jeffery,

If the engine is revving wihout much acceleration, it indicates a slipping clutch. Get the clutch checked and replace if necessary.

Leaving the oil cap off would not affect the performance.

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Wednesday, August 25th, 2010 AT 1:30 PM

JEFFERY G KANSAS CITY

MEMBER
3 POSTS

The high revv is from me having to revv up to 5000 rpms to get it going. Could problem be from air in engine, or could it be a pressure problem?

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Wednesday, August 25th, 2010 AT 6:18 PM

KHLOW2008

MECHANIC
41,814 POSTS

When do you need to rev engine to 5000.
In what gear and speed?

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Thursday, August 26th, 2010 AT 6:01 AM

JEFFERY G KANSAS CITY

MEMBER
3 POSTS

I have to do it on all gears. On hills, no matter the slope is the Worse. I barely get through intersection after green light, before it turns red. The oil on dipstick is dark now, black almost, but I cant see it JUST needing an oil change.

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Thursday, August 26th, 2010 AT 8:49 PM

KHLOW2008