Question about 2004 Toyota ECHO

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My 2004 Toyota echo chugs when in idle, has little power, and has a knocking sound when accelerating. I only had it serviced last week, after having a coil replaced.

I had the alternator replaced the day before. When in low rev the car sounds like a Harley Davidson as it builds speed, but has very low power, once doing a good speed, the engine hums along with no problem....and the knocking which only rattles at the beginning of driving off from idle, sounds like a hollow weight hanging loosely

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sempron

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It could be the exhaust manifold that is a common problem or a blocked resonator or muffler. good luck

Posted on Aug 26, 2018

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Anonymous

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SOURCE: my engine light has come on..i have a 2003 toyota

sounds like you have a miss fire like bad plugs plug wires or coil

Posted on Feb 12, 2010

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Anonymous

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SOURCE: 02 Sienna, idling issue, new battery, alternator tested good

check for vacume leaks listen for a hissing sound if you here one but cant pin point it you can use a spray bottle of gas of can of ether both very flamable so be gentle and spray around the sound when the engine revs up theres your leak thats where i would start

Posted on Mar 08, 2010

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zappanut

ZappaNut

  • 959 Answers

SOURCE: 1985 Toyota Corolla, standard 5

Your harmonic ballancer is shot.
With the engine off , key out of the ignition... grasp the belt that goes down to the engine crank and see if you can make it turn a little ... if you can , you will see that the outside of that bottom most pully turns ... while the crank does not...
Replace the harmonic ballancer with a new unit... ( used ones are 90% junk by the time you get em from a bone yard...)

There is a cut out on the passangers side to access the bolt you need to take out... it is behind the tire , so the tire must be removed to access it...
easy fix ya !

Posted on Sep 28, 2010

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What could be wrong with my Toyota Echo if the engine chugs while idling, and the car loses power when accelerating (stalling out if accelerating too quickly)?


There are numerous things that will cause this problem. If the check engine light is on, have the codes checked to see if there is a problem the computer has found to cause this issue. Even without the check engine light on, there may be a code stored. You can also do a visual inspection under the hood for any disconnected hoses causing vacuum leaks. These are the best places to begin with diagnostics

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