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Cannot accelerate

Tiny
JOHNNIE B. MOREAU
  • MEMBER
  • 2009 CHEVROLET AVEO
  • 1.6L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
Car bogs down when you give it the gas. Has good fuel pressure and check engine light is off. Car does not miss, but has no power. With scanner attached, the engine timing is negative instead of positive and the numbers jump around.
Wednesday, August 16th, 2017 AT 8:05 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,240 POSTS
Hello,

It sounds like you have a MAF sensor that has gone out and needs to be replaced. when this sensor goes out it may or may not trigger a code. Here is a guide and a diagram (below) so you can get the job done:

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

Here is what it will be like on your car (below).

This guide may help as well.

https://www.2carpros.com/articles/engine-has-low-power-output

Please let us know what happens so it will help others.

Cheers, Ken
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Thursday, August 17th, 2017 AT 3:15 PM

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