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Runs bad when transmission is in drive

Tiny
TAYLOR136
  • MEMBER
  • 2002 HYUNDAI SANTA FE
  • 2.7L
  • V6
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
My vehicle runs badly, it runs fine in park but as soon as you put it in drive it will run badly. Wants to quit running all the time and I cannot even drive it at all because it will not even make it up a hill. I have change the plugs, leads and the coil pack but still nothing. Please help!
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Saturday, August 5th, 2017 AT 4:02 PM

2 Replies

Tiny
TAYLOR136
  • MEMBER
  • 2 POSTS
This is what it looks like at the moment.
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Saturday, August 5th, 2017 AT 4:04 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

It sounds like you have low compression in one or more cylinders. Here are a couple of guides to help us find out whats going on:

https://www.2carpros.com/articles/how-to-test-engine-compression

and

https://www.2carpros.com/articles/stall-at-idle

and

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

Please run this test and get back to us we are interested to see what it is.

Cheers, Ken
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Monday, August 7th, 2017 AT 12:18 PM

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