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-   -   1997 1500 4x4 5.9L Loss of Power (

Robb 03-22-2010 10:38 AM

1997 1500 4x4 5.9L Loss of Power
Hi, I have a 1997 Dodge pickup, and just recently I have had a major loss of power. It takes forever to get up to 50 mph, and stays around 2k-3k rpm unless I let off of the gas, then it will finally shift, but still be very doggy. I can tromp the gas and it will sound like i'm moving but it's barely climbing in speed.
It also has a hissing type sound like a vacuum leak or something while trying to climb in speed, but I can't tell where it is coming from because it doesn't do it when parked. About a week ago I had a mechanic shop replace my Water Pump, Thermostat, and Belt Tensioner, and now I have this problem.

Also, I have no warning, or check engine lights on.
(I made sure all spark plug wires were fastened.)
Any ideas would help a lot.

iRESQu 03-22-2010 10:40 AM

Welcome Rob and glad to have you.
Unfortunately I don't have the knowledge to asist you but if you stick around, someone with more insight will chime in.

Robb 03-22-2010 10:42 AM

Thanks, ya hopefully someone can help me get this problem solved.

wermbang 03-22-2010 11:56 AM

I do not have an answer for you either, but would suspect what the shop did, or maybe nicked a vacuum line somewhere???
Anyway welcome to the site. If you take a few moments and re-visit your User CP and edit your details to add the information on your truck and your location. That will help us help you when you have a question or are having a problem with your truck for future posts.
There are a lot of talented people on this site, so if you have questions feel free to ask, and I am sure someone will be able to help. If your looking for some accessories check out our vendor section and may the modding continue or begin

RamTech 03-22-2010 12:50 PM

Sounds like more than a simple small vacuum leak to me. I'd get it checked for any stored codes.

96Ram25005.9l 08-15-2011 04:01 PM

check vacuum lines
check all of them i had a dry rotted vacuum line going to the TB it made my baby run like ish let me know

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