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Update to loss of power/shifting Issues

 
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scbesse
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2008 Jeep Wrangler


PostPosted: Wed Feb 16, 2011 7:26 pm    Post subject:  Update to loss of power/shifting Issues Reply with quote

Okay I have an 02 Impala LS, with 217,000 kms on it. I love this car and have since day one when I bought it. I am noticing a loss of power on the acceleration onto the highway. When I am on the hwy doing 120kmh my cars rpms have always been at 2100. The odd time now it will jump up to 2500rpm(on flat ground) and stay there for like a minute....then drop back to normal.

If i am on the highway doing a steady 120kph and go to pass someone and kick it down a little it revs to 3000rpm and barely gains any speed. If I put the pedal all the way down and she hits like 5000rpm it doesnt pick up at all!!!

I commute in my car everyday and I have been noticing it getting worse.

I have a knock sensor code, and Cam sensor code popping up..... Can this affect the performance at the highway speeds? I am really dreading taking this to the dealer.....thinking tourque converter in the back of my head ,

I have a Hypertech PP so I can pull the codes whenever if they would help. Thanks for the long read and any help is appreciated.




UPDATE!!!!!!

Car was getting worse, I took it to a shop to get the Tranny looked at and the guy suggested I get the engine code issues fixed before I jump to conclusions.

I drop the car off at a shop that my buddy likes, I get a call saying " I took it for a drive, and I want to disconnect the O2 sensor at the Cat, to test something but if it breaks its $150 to fix" so I authorize him to do it.

He calls back later and says" You need a new Cat Conv."
I Cry now........ the price is $600.

and this "Might" fix your problem but we have to start here.......I am thinking sure, replace the Cat Conv, soak me for $600 and my car is still F'd.

Low and behold it WAS the issue for power loss, and misbehaving RPM issues. He suggests I do a Tranny flush soon, and I am good to go!

I LOVE MY CAR!!!!!! This is the biggest thing I have had to do on the "Pimpala" it owes me nothing. Happy ending! Oh and he didn't break the O2 sensor lol

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PushrodPower
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PostPosted: Wed Feb 16, 2011 8:08 pm    Post subject:   Reply with quote

I'm glad you got it all worked out! Very Happy With a 135K on the tranny, I wouldn't do a flush. Just do a pan drop. Plus they're overpriced.

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My c**k broke.


Last edited by PushrodPower on Thu Feb 17, 2011 11:11 am; edited 1 time in total
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bbengineer
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PostPosted: Wed Feb 16, 2011 8:10 pm    Post subject:   Reply with quote

Glad you got it fixed...

Next time, please update your original thread and don't create a one new

BBEngineer

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Lingenfelter
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PostPosted: Wed Feb 16, 2011 8:45 pm    Post subject:   Reply with quote

Don't flush the transmission. Pan drop and fluid/filter change is what you're after.

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scbesse
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PostPosted: Wed Feb 16, 2011 9:15 pm    Post subject:   Reply with quote

bbengineer wrote:
Glad you got it fixed...

Next time, please update your original thread and don't create a one new

BBEngineer


Yeah sorry I thought I replied to my thread.......then realized i made a new one.....oooops


I was wondering about the flush thing, I heard that can be worse for tranny sometimes. So a pan drop and filter change it is!!!!! Thanks guys.

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PostPosted: Thu Feb 17, 2011 9:53 am    Post subject:   Reply with quote

You might want to see if there was a reason the cat went. Is the engine burning oil?
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PostPosted: Thu Feb 17, 2011 4:26 pm    Post subject:   Reply with quote

Baywing wrote:
You might want to see if there was a reason the cat went. Is the engine burning oil?


Not burning oil. I was running for a long time with misfire codes. totally my fault. Sent to much fuel, and clogged her up. The mechanic gave me shi@ for not fixing it when I should have Lol.

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PostPosted: Fri Feb 18, 2011 9:45 am    Post subject:   Reply with quote

Just checking, you certainly don't want to burn out a new cat!
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