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What about i tune up plugs wires fuel filter? if yes to all of that try finding a shop that can perform a bg injection service. you may have clogged injectors causing low power.
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fuse good
scan it next, learn cars must be scanned first or go broke guessing
answer here and world wide same thing 1million plus times
scan it.
the pcm knows why (reduce power proves that )
so scan it/.
If you did actually need a throttle body you could get it for less than $800 new or get a used one & install yourself in about an hour.
Only got 4 small bolts holding it on.
The only reason for a throttle body is if it is drive by wire & you need a tacm motor on it & that motor is not avail separately
Do some internet research on that issues
I would be looking at fuel pressure at the motor, fuel trim on a road test, oxygen sensors, ignition issues long before I got stumped & ended up at the throttle body
If it is has a motor turn on the key & have someone slowly push the gas pedel
If the throttle plate opens & then snaps closed,not the problem
Also consider a gas filter that has been never changed in 10 years or a blocked exhaust converter or exhaust leaks before the converter effecting fuel adjustment
Need to know in detail what was tested & how by that shop
I tried the DIY service and repair manuals from a website and it actually helped me repair transmission problem in my jcb 3cx site-master. it wont move forward or reverse, engine is good both solenoids for
forward and reverse work.
I don't have much technical knowledge but I just followed it step-wise, and works perfect! got it from www.reliable-store.com
CHECK ALTERNATOR OUTPUT IT SHOULD BE 13.5 VOLTS TO 14.5 VOLTS.WITH ENGINE RUNNING.IF VOLTS. 11.0 VOLTS UNDER.YOUR ALTERNATOR IS BAD.CHECK ALTERNATOR FUSE AND LOOK FOR DAMAGE WIRES.IF YOU REPLACE ALTERNATOR YOURSELF.BESURE TO TURN OFF RADIO SO YOU WONT LOSE PLAYING CODE BEFORE DISCONNECTING BATTERY CABLES.
If you are having power problems more than fuel problems, check your exhaust at the tailpipe for the smell of sulpher andwheezing. The exhaust should stop the minute the engine is shut off. Using a tissue you can pick up any exhaust movement after shutdown, Like a real low draft. If so, Consider having the catalyctic converter chk'd for restriction. When they plug up the engine can't breath and loses its power. The MAF sensor cause eratic idling and jerky acceleration.. It's the first sensor in the duct coming out of the air cleaner. Good Luck. - Ned
I just went through this with my 2001 rodeo and the dealer needed to replace several parts over several weeks because they could not get the problem to go away.
-APP/throttle pos. sensor needs calibration/replacement
-air idle control needs replacing
-throttle body needs replacement
After months of going back and forth to the deal with the same problem, the throttle body was replaced last week and the problem has dissapeared....for now...
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