REPLACED CATALYTIC CONVERTER AND O2 SENSORS

  • Tiny
  • Raasherring
  • 1999 Honda CRV
  • 130,000 miles

Replaced catalytic converter and o2 sensors. Still has trouble starting and still dies. What else could it be?

Saturday, March 9th, 2013 AT 8:55 PM

8 Answers

  • Tiny
  • DrCranknWrench
  • Expert
  • 3,458 posts

Have the fuel pressure checked. That could be the isssue and make sure the intake does not have any obstructions.

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Saturday, March 9th, 2013 AT 8:57 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Why did you replace this? Who told you it was bad?

Expensive guess.

Anyway, is there a check engine light?

Start with fuel pressure test.

Roy

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Saturday, March 9th, 2013 AT 8:57 PM
  • Tiny
  • Raasherring
  • Member

That's what code read

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Saturday, March 9th, 2013 AT 9:00 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

What was the code? Codes never identify bad parts, just failed systems.

A 420 code is a cat effiency code and yes, the cat would be bad but is not the issue you have

Roy

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Saturday, March 9th, 2013 AT 9:04 PM
  • Tiny
  • Raasherring
  • Member

Not sure exact code but guys at shop that read it said that was what it meant. Check engine light is off now!

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Saturday, March 9th, 2013 AT 9:09 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

They re set it and it is a 3 trip failure. It may or may not come back on but it will not tell you anything about your current issue.

Look for vacuum leaks, it may be a hose off tht will make the car not idle. Otherwise the idle air control may be the issue

Roy

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Saturday, March 9th, 2013 AT 9:20 PM
  • Tiny
  • Raasherring
  • Member

Thank you

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Saturday, March 9th, 2013 AT 9:23 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Good luck

Roy

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Saturday, March 9th, 2013 AT 9:29 PM

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