Slow acceleration

GEORGEJILA7

MEMBER
2003 TOYOTA CAMRY
267,024 MILES

When setting off or going out of a situation and needs to quickly take off, it hesitates. Worst is, when it changes gear, you will have to press the accelerator pedal to the floor before it picks, with an unpleasant sound. Yet it will be slow still.

Tuesday, August 28th, 2018 AT 10:53 AM

5 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

Good afternoon.

From your description, it sounds like it could be a couple of things.

The first thing I would do is check the fuel pressure.

The other thing is the catalytic converter. I would have that checked for being clogged and not allowing the engine to breathe.

Roy

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

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

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Tuesday, August 28th, 2018 AT 11:20 AM

GEORGEJILA7

MEMBER
3 POSTS

Wow. These are the exact things I worked on recently. I changed my fuel pump two weeks ago. My catalytic converter was worked on two days ago, yet it persist. The catalytic converter that was worked on was the front one. I have feeling the one under (by the arm rest )should be checked too. That said, you answer is extremely helpful.

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Tuesday, August 28th, 2018 AT 11:39 AM

ASEMASTER6371

MECHANIC
52,797 POSTS

I would remove the front O2 sensor and install a back pressure gauge. Then start the engine and check the back pressure. It should be around 1. If it is not then you have an exhaust restriction.

You can rent a tester at a parts store for this procedure.

Roy

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Tuesday, August 28th, 2018 AT 12:02 PM

GEORGEJILA7