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Problems with slow acceleration?

Tiny
VINCENT SERRELLI
  • MEMBER
  • 2007 DODGE CALIBER
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Basically, I bought a lemon I'm stuck with and I'm trying to get it working better.
I'm not a car person by any means.
I can drive around just fine (sometimes*)
Otherwise, I can give it full gas and it doesn't get the RPM
to match the gas it's given and it has really slow acceleration otherwise it's fine.
Both 02 sensors have been changed as well as half the muffler (from the cat on backwards).
I do have error codes, and a gas cap code as well popping up
Out of money to put into it I'm really hoping it's an easy cheap fix I can do myself.
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Tuesday, March 14th, 2023 AT 1:05 PM

6 Replies

Tiny
VINCENT SERRELLI
  • MEMBER
  • 4 POSTS
I intend to check the filter as well as the plugs but I'm not really sure what either should look like. I'm hoping it's just a gunked up filter or something since its random.
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Tuesday, March 14th, 2023 AT 1:08 PM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
Have you tried to clean the throttle body? There is a spray that you spray in the throttle body that helps get rid of buildup in the throttle body, make sure you follow instructions for use.
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Tuesday, March 14th, 2023 AT 1:30 PM
Tiny
VINCENT SERRELLI
  • MEMBER
  • 4 POSTS
Mike, no I have not, is there a specific kind of spray I would use?
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Tuesday, March 14th, 2023 AT 1:54 PM
Tiny
VINCENT SERRELLI
  • MEMBER
  • 4 POSTS
Also, I don't know if its relevant but sometimes turning the car off and turning it back on temporarily fixes it, sometimes does nothing.
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Tuesday, March 14th, 2023 AT 2:06 PM
Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
The throttle body cleaner can be found in most auto stores
CRC Gasoline Throttle Body/Air-Intake Cleaner 12 oz.
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Tuesday, March 14th, 2023 AT 5:34 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi Vincent, I noticed we haven't heard from you for a few days. Have you been able to make any progress? We are interested in knowing. Also, let us know if you have other questions.

Take care,

Joe
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Friday, March 17th, 2023 AT 7:25 PM

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