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2000 chevy blazer 4x4

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rosco
New User

May 21, 2011, 4:14 AM

Post #1 of 5 (2705 views)
2000 chevy blazer 4x4 Sign In
starts fine,once started it revs up to 4000 then drops to nothing, does this for 2-4 minutes EVERY time i start it. Replaced throttle positioning sensor, Advanced says its the 4 o2 sensors. now when i get up to 25 and it tries to go to secong the rpms keep going but i go no faster, have to lift until it shifts, cant floor it at all no matter if im sitting still or trying to pass someone, is this the trainy. got trainy filter and fluid to replace today


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 21, 2011, 4:16 AM

Post #2 of 5 (2703 views)
Re: 2000 chevy blazer 4x4 Sign In
It does not need 4 0/2 sensors. That's another example part time parts clerks trying to be technicians. Post the exact code numbers that were stored.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



rosco
New User

May 21, 2011, 4:29 AM

Post #3 of 5 (2695 views)
Re: 2000 chevy blazer 4x4 Sign In
once they said 02 sensor i stopped listening. its more serious then a sensor. b4 that they even said the lid on the gas tank. they r no help. replaced throttle positioning sensor because of them, no help there. my thinking is going towards the junkyard


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 21, 2011, 4:31 AM

Post #4 of 5 (2692 views)
Re: 2000 chevy blazer 4x4 Sign In
Take your thinking back to the code numbers and post them here.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 21, 2011, 4:35 AM

Post #5 of 5 (2689 views)
Re: 2000 chevy blazer 4x4 Sign In
Ditto on O2 sensors - near can't need them all at once.

Quote ">>rpms keep going but i go no faster<<" unless I read that wrong that's slipping! Not good and changing trans fluid and filt now will probably show a lot of muck in pan from plain wear from slipping which it won't do much longer - get into a road service/tow club now,

T






 
 
 






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