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Old 08-01-2009, 07:29 PM   #1
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total loss of power

Ok, im stumped....95 yj with the 2.5 has been running great but the other day I went to get on the freeway and when I stepped on the gas the best I could do is 25 MPH. replaced the timing gears and chain but everything was fine there. replaced the rotor, cap, plug wires, plugs and I still have the same problem.

any ideas??

thanks guys.

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Old 08-01-2009, 07:35 PM   #2
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will it roll on flat ground?

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Old 08-01-2009, 07:56 PM   #3
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yes, but its really anemic. more you push the gas the slower it goes.
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Old 08-01-2009, 07:59 PM   #4
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most likely clogged cat. i've seen tps do it also, but usually with more irratic driveability at lower speeds also.
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Old 08-01-2009, 08:04 PM   #5
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that was my next guess, but would rather pin point this than throw parts at it. and at the risk of sounding stupid whats the tps?
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Old 08-01-2009, 08:05 PM   #6
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and that would figure too since i just had the exhaust replaced from the CAT back....dang it.
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Old 08-01-2009, 08:08 PM   #7
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tps is throttle position sensor.

you can always remove the cat temporarily and see if it goes over 25 to be sure.
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Old 08-01-2009, 08:10 PM   #8
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duh, i knew that...been a long day under the hood. OK well i own a sawzall, just cut it off and see i guess....it'll be loud but tell me a lot.
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Old 08-01-2009, 08:12 PM   #9
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yep...let us know how it goes.
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Old 08-01-2009, 08:15 PM   #10
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i will, im sure i cant be the only one with this situation.

thanks for the imput dude.

im givin it up for tonight but back at it tomorrow.
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Old 08-09-2009, 12:42 PM   #11
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well after exhaustive testing of other parts it turned out to be just that...exhaust! The Cat to be specific. runs great now.

Thanks for all the help and I hope this helps others.

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