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power loss runing bad

This is a discussion on power loss runing bad within the General Help forums, part of the LSx Technical Help Section category; hey guys i seems like my car has a problem a lot less power when hitting the gaspedal and when ...

  1. #1
    Member barryz's Avatar
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    2000 transam ram air WS6

    Question power loss runing bad

    hey guys

    i seems like my car has a problem a lot less power when hitting the gaspedal
    and when the car is runnning standing still and i hit it to 3000 rpm and let the gas pedal go the car goed around 500 rpm and almost stall and then goed back to 1000 rpm i was thinking maybe a sensor ??

    pleace let me know so i can enjoy my power again


    thanks greetings barry

  2. #2
    Member barryz's Avatar
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    nobody had this problem before ??

  3. #3
    Senior Member Naaman's Avatar
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    98 Z28 Vert M6

    Did this problem come about all of a sudden or soon after you did something with your car? I'm having a simlar problem with my car and this is the feedback I've been getting. Read the whole thread, because there are multiple possibilities.

  4. #4
    Member DaddySS's Avatar
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    I think you're not getting answers because we need more information.

    How many miles (kilometers) on the car?
    Have you worked on it recently?
    What have you checked so far?
    When was the last time you cleaned the MAF?
    Is it stock?
    Is the tune stock?
    Do you have any exhaust leaks?

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    Member barryz's Avatar
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    oke sorry about that here is the information

    How many miles (kilometers) on the car? 40.000 miles
    Have you worked on it recently? changed the oil 4 months ago
    What have you checked so far? don;t know where to start
    When was the last time you cleaned the MAF? never actually
    Is it stock? yes only borla catback exhaust
    Is the tune stock? in did have a chip on the on the intake but took it of
    Do you have any exhaust leaks? i don,t think so but when i drive it seems like making more noise from under the car and also the car has been standing still for 4 months and before i did not have no problem ...

    thanks for thinking with me greetings barry

  6. #6
    Member 2000dreambird's Avatar
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    might wanna change the fuel filter, its only like ten bucks and its a easy yes or no to your prob, after that do plugs, wires, air filter, clean your MAF. these are all easy an semi cheap things to rule out.

  7. #7
    Member barryz's Avatar
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    fuel filter has been changed 5000 miles ago i am gonna change plugs and wires to start with this weekend !! greetings barry

  8. #8
    Senior Member JayTA98's Avatar
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    Quote Originally Posted by 2000dreambird View Post
    might wanna change the fuel filter, its only like ten bucks and its a easy yes or no to your prob, after that do plugs, wires, air filter, clean your MAF. these are all easy an semi cheap things to rule out.
    +1 to this. Get some MAF cleaner at the auto parts and clean your MAF. Does your car has KN filter?

  9. #9
    Member barryz's Avatar
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    yes i have the knn filter

  10. #10
    Member 2000dreambird's Avatar
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    throw it away K&N filters will put a oil film on your MAF, I had it happen to me...

  11. #11
    Veteran 0rion's Avatar
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    cleaning the MAF is probably a good place to start. You can get MAF cleaner at pretty much any auto parts store here but I'm not sure about over there. It just to be a non-residue electrical cleaner. Take the MAF off and spray the 3 little resistors that are in the air stream. Don't touch those as they're very fragile.....just spray them off. It does sound like a fueling issue to me but could be a number of things. Do you have access to a data logger at all? I would also make sure you don't have any exhaust leaks before the front O2 sensors.
    How does the car idle and run in general?

  12. #12
    Member barryz's Avatar
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    never had no problems before i just today changed the spark plugs they where never changed from looking at them i am the second owner so it was time for new ones seems to run a lot better i am gonna clean the maf sensor tomorrow and i am gonna order a new on soon is like a 300 dollar high performance maf sensor worth it??

    thanks for the replys

  13. #13
    Veteran 0rion's Avatar
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    no, just replace it with a stock one but make sure you need one at all first. Say it was running fine before the plug change? Have you made sure all the plug wires seated all the way on the plugs and coils? Did you remove the a.i.r. pipes to get to the plugs? Make sure those aren't leaking.

  14. #14
    Senior Member JayTA98's Avatar
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    did you get new plug wires? If not, did you check them to make sure you don't have one or more that are bad? Like Orion said don't buy a MAF until you clean the current one and if it is bad just get the stock one.

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