Question about 1999 Mazda Protege
Hey, my 99 Madza Protege has acquired an acceleration problem. I can take off fine into the first 2 gears, however, once it shifts last gear, it starts to get sluggish and lose power around 55-60mph. Then quickly loses speed. I have changed spark plugs, wires, air filter... Please help, I'm so confused rite now.......
When you losing speed, do you lose RPM? This is important. 1- If you don't lose RPM then you have a problem with your torque converter. 2- If you lose RPM then you have a problem with fuel air mixture and this is controlled by ECM. Usually ECM is not a problem, but the problem is coming from other sensors contributing fuel: air mixture control like Air mass flow control ans Oxygen Sensor besides the throttle body valve is gummed up and need a through clean. So try to address the last one first then follow in reverse order if the case is in # 2. Good luck.
Posted on Oct 04, 2009
Change fuel filter.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
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How exactly Vehicles Accelerator Pump Diaphragm Works? http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html
----------accelerator pedal sensor? http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html
----------stalls and bucks on Acceleration? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html
---------Engine accelerates when brake is applied? http://technoanswers.blogspot.in/2012/02/engine-accelerates-when-brake-is.html
-----------This will help.Thanks.
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