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Old 11-24-2011, 09:40 PM   #1
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Not running right

My mustang seems to not have as much power as it should. When your are driving at slower speeds it shifts rough and when you push the accelerator sometimes it won't go and you have to coast to the side of the road. If you wait a little bit it will go again but ride rough and shift slow and hard. If its higher speeds it fine and it's an automatic. It's being looked over at the garage tomorrow but I'm curious if anyone else experienced it or might have an idea what it is thanks

---------- Post added at 10:40 PM ---------- Previous post was at 10:38 PM ----------

I got the ATF And filter changed and they put transmission conditioner in and no metal shavings were present
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Old 11-26-2011, 04:13 AM   #2
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Re: Not running right

They'll look for the main culprit- A vacuum line leak, or something mechanical in the engine (Usually you get a check engine light though). They will look at the transmission system obviously.
If you have time before dropping it off at the shop, I HIGHLY suggest you go to parts store or Wallmart ect. and pick up two cans of "Seafoam" gas treatment. Put one full can in gas tank. Suck the other can up into the upper intake manifold with the engine running- Open can of Seafoam, put a drinking straw inside, pull out the pcv valve and put the end of the pcv valve to the drinking straw and slowly let it suck up the Seafoam.The smoke from exhaust pipes is normal and will clear up quickly.
Getting that out of the way will help them diagnose alot easier with alot less second guessing.
Good luck!
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Old 11-26-2011, 09:44 PM   #3
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The air intake sensor was unplugged which pushed too much fuel in the first cylinder and blew the spark plug so it was running on 5 instead of 6 and without the sensor the computer didn't know when to shift the tranny. I'm so glad it was an easy fix and I put 70 miles on it today and no problem
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Old 11-26-2011, 09:47 PM   #4
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Re: Not running right

That's great you had an easy fix! I hate having to worry about my cars.
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Old 11-26-2011, 09:50 PM   #5
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I was afraid to drive it because going down the road it would shift up and down and you push the accelerator and sometimes nothing would happen so you coast to the side and wait for it to want to go again but now I feel much safer!
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Old 11-27-2011, 02:47 AM   #6
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Re: Not running right

Good deal!
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