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catalytic converter

  1. P0420 check engine light

    4.7L V8 Specific Topics
    Specs: 2000, Dakota, Quad 4.7 SLT, 105K miles. EFN: YCRXT0287232 History: Replaced Bank 1 Pos 2 O2 sensor a few years ago. No P0420 light, after getting one. It took care of problem. No overheat problems, no loss of power, no excessive gas us. Recently P0420 code showed up again. I had...
  2. Thrush Welded Muffler 17650

    Intake & Exhaust
    Thrush Welded Muffler 17650 Put this muffler on in May and has so far been pretty decent. It's a bit 'dry' sounding, not as throaty as a Magnaflow or Flowmaster, but for the price it's a good muffler. Gives a nice sound when getting on it and letting off the throttle at higher RPM gives a...
  3. Catalytic Converter removal

    3.9L V6 Specific Topics
    Hey guys(and gals) I have a 1991 Dakota 3.9L NONMAGNUM V6, Auto, 4x4. My question is: If I cut the catalytic converter off and gut it and put it back on empty will the truck run or will it throw codes and not run at all or run poorly. I know some cars wont even run without them on. Has anyone...
  4. Catalytic converter

    New Member Introductions
    Anyone know of an aftermarket or alternative for the front left converter w/ 02 sensor? Just bought used 2002 Dakota SLT Quad cab; 4.7L V8, and here in Cali, we have to smog test in order to transfer ownership...The DOG failed, 02 sensor bank1 sens2. Further exploring I discovered that converter...
  5. Help Please: 2001 Dakota

    Intake & Exhaust
    Hello All, I own a 2001 dakota quad cab sport w/ 5.9L V8. The exhaust was originally a california emissions exhaust with one large CAT back and two smaller forward CATs on the y-pipe. The two front CATs each had one O2 sensor front and one behind. Fronts are for fuel/air mix. The rears are...