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HESITATION ON ACCELERATION?

Tiny
HONDASPEED05
  • MEMBER
  • 2003 TOYOTA CAMRY
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
After starting the car everyday, I go to leave my parking space and the car hesitates when pressing down the accelerator. This same thing happens when I try to pull out in an intersection quickly. It lags a few seconds and hesitates, which I feel is going to cause an accident one day. HELP PLEASE!
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Thursday, September 3rd, 2015 AT 7:35 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
This can happen when the fuel pump going out, but to be sure we can do a fuel pump pressure test. Here is a guide to show you how and a guide for the hesitation as well. I also included how to change the pump out in the images below.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

and

https://www.2carpros.com/articles/engine-hesitates

At Idle
Fuel pressure: .................... 304 - 343 kPa (3.1 - 3.5 kgf.sq.cm, 44 - 50 psi)

5 Minutes After Engine Has Stopped
Fuel pressure: .................... 147 kPa (1.5 kgf.sq.cm, 21 psi) or more

Luckily there is a trap door so you don't have to remove the fuel tank which is nice. Also, you can rent a gauge from the auto part store. Check out the images (below). Please let us know what happens.

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Wednesday, January 24th, 2024 AT 5:28 PM

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