Loss of power going uphill

Tiny
LOMTYE
  • MEMBER
  • 2005 DODGE CARAVAN
  • 3.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 280,000 MILES
When driving on a level slow to develop speed when going up hill it is very slow. Gets worse when the AC is on.
Saturday, September 28th, 2019 AT 10:41 AM

2 Replies

Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
Hi and welcome to 2CarPros.

Given the reputation for the motors Dodge uses in those and the mileage I would suggest you start out with a compression test to see if the motor is just worn out.

Here is a guide on how to run the test:

https://www.2carpros.com/articles/how-to-test-engine-compression
https://www.2carpros.com/articles/symptoms-of-low-compression
https://www.2carpros.com/articles/the-reasons-for-low-compression

I would also plug in a scanner and see if you have any trouble codes.

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

Let me know what you find out.

Rich
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Saturday, September 28th, 2019 AT 12:00 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi,

Here is a guide that we need to start looking at in order to start narrowing this down. However, do you have a check engine light? If so, we need to get the codes before we go much further. If you don't have the ability to pull codes, you can go to most any parts store and they will get them for you free of charge.

https://www.2carpros.com/articles/symptoms-of-low-engine-power

Lastly, let me know if you have the ability to monitor live data with a scan tool. Clearly if you can't pull codes, then you can't monitor data but I need to ask because that is most likely going to be necessary.

Thanks
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Saturday, September 28th, 2019 AT 12:02 PM

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