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Car slow to acceleration after deceleration from.

Tiny
LANREAT
  • MEMBER
  • 2002 HONDA ACCORD
  • 119,000 MILES
Car slow to acceleration after deceleration from high speed. The RMP does not move during this slow acceleration irrespective of pressure applied to the gas pedal. What could be the problem with this vehicle?
Monday, December 31st, 2012 AT 10:15 AM

9 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the Malfunction Indicator Light showing?
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Monday, December 31st, 2012 AT 1:40 PM
Tiny
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Hi KHLow2008. Sorry for the slow response. The MIL initially was up, but had to remove the battery terminal due to some maintenance work on the vehicle. Up till now, the MIL has not come up again, three weeks now.
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Wednesday, January 23rd, 2013 AT 6:00 AM
Tiny
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Is the problem still there when the MIL is not showing?
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Wednesday, January 23rd, 2013 AT 5:54 PM
Tiny
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Yes, the problem is still there!
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Friday, January 25th, 2013 AT 8:08 AM
Tiny
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This might require a scan tool to monitor the various sensors to be able to diagnose the problem.

Try checking if there are any trouble codes. The MIL not indicating does not necessarily mean no trouble codes.

Check for clogging of exhaust system.
Monitor the HO2S sensors operations.
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Friday, January 25th, 2013 AT 1:12 PM
Tiny
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Scanned the vehicle. Code p0420. The scanner also displayed misfire, 02 HTR, EGR, though only one error code was displayed.
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Friday, February 1st, 2013 AT 7:25 AM
Tiny
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P0420 is a fault with the catalytic converter or HO2S. EGR progblem can cause misfirings. All the above can be related to your problem so you need to have them tested.
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Friday, February 1st, 2013 AT 4:11 PM
Tiny
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Solved. Problem was a clogged cat.
Thanks.
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Monday, March 4th, 2013 AT 3:11 PM
Tiny
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You're welcome.

Have a nice day.
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+2
Monday, March 4th, 2013 AT 6:34 PM

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