Car can't speed up

Tiny
CHANGTE
  • MEMBER
  • 2011 TOYOTA CAMRY HYBRID
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 440,000 MILES
This car accelerate till 40 km, can't up more. Must release accelerate then will slowly speed up till 60 km, the same thing again. If accelerate harder, getting worse. No fault code come out.
1. Flush out the transmission twice, the fluid is clean now. No metal in it. But still the same.
2. Replaced fuel pump and relay, no improve.
3. Loose muffler and test drive, still the same.
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Thursday, August 25th, 2016 AT 6:28 AM

5 Replies

Tiny
SATURNTECH9
  • EXPERT
Have you had the exhaust tested for excessive back pressure yet?
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Thursday, August 25th, 2016 AT 12:28 PM
Tiny
CHANGTE
  • MEMBER
Because I have loosed the muffler and test. Should no pressure built.

I feel it just like cubby no secondary accelerate. But no fault code come out.
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Thursday, August 25th, 2016 AT 6:27 PM
Tiny
SATURNTECH9
  • EXPERT
So you just loosened the muffler?Where at?Also loosening wouldn't be enough.
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Thursday, August 25th, 2016 AT 9:01 PM
Tiny
CHANGTE
  • MEMBER
Under the car, and took off the bracket. Car was running noisy.
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Friday, August 26th, 2016 AT 12:54 AM
Tiny
SATURNTECH9
  • EXPERT
So did you loosen the exhaust before the cat or after the cat?
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Friday, August 26th, 2016 AT 7:09 AM

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