1994 Dodge Ram EGR and Catalytic converter

  • 1994 DODGE RAM
  • V8
  • 2WD
  • 85,000 MILES
My name is John, I have a 94 dodge ram that has had 10 series flow masters and cats cut off. They are not true duels. My O2 sensor was welded to one pipe, so that way my check engine light would stay off. But now my EGR valve and solenoid light is flashing every now an then. I read some thing about not enough back pressure, due to the absence of the cat. It makes the pinging noise like they say it would. I wanted to know if the Problem with the EGR valve is due the the modification of my pipes. I also need to know is it worth buying a new EGR valve kit or getting a kat put back on. Or if I need to do anything at all. I heard that bad EGR valve can cause negative effects on your engine. But I never hear anything bad from other people who has had there cats cut off their trucks.

Thank you, John
Do you
have the same problem?
Tuesday, January 5th, 2010 AT 11:04 PM

1 Reply

Chances are the cause is the missing cat. You could remove the EGR to check it for carbon build up. However, if it started when you had the work done, chances the new exhaust is the cause.

I would recommend replacing the converter. Actually, by law, you should have one.

Let me know if you have other questions.

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Friday, January 8th, 2010 AT 11:13 PM

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