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Your check engine light came on and your 2001 echo is hesitating is it the fuel pump or converter?
Wiki User
∙ 16y ago
I just had the same problem with my 2000 Toyota Echo. i replaced everything! Mass Air Flow sensor, Throttle Positioning Sensor, throttle body, spark plugs, new springs on coil packs, replaced every and all vacuum hoses, O2 sensors (front O2 sensor costs $125), air filter, etc. I even cut the cat conv off the car to check to see if it was clogged! Luckily i had a parts car to work with. Just out of spite, i changed the metal looking sensor that hooks to the top left of the air filter unit (looks likes there is a metal clip holding it in) and that did the trick. I have no clue what it's called. I know it hooks to the left top of the air filter box. The mass air flow sensor (says MAF on it) is on top and this sensor is to the left of that. try changing that and I bet your problem goes away. Good luck! Maybe. Why not use a code scanner to read the computer trouble code. The check engine light is on to tell you that there is a stored problem code. Why not let the computer tell you what's wrong rather than guessing about it. Code scanners can be borrowed, rented or purchased at most auto parts retailers. Clean the mass air flow sensor. Yours may need to replaced however. Also the oxygen sensors go bad and there are 2 of them. The converter shouldn't cause this hesitation on this car. The fuel pump isn't going to either. Corollas have similar problems and it's the MAF. Also check the vacuum hose on the left side of the air filter assembly. There is a small one that pops off if you or a mechanic replaces the air filter.
Wiki User
∙ 16y ago
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Check engine light blinking on your 1998 f150 4.6L and engine is hesitating a lot any suggestions would help thanx?
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