Took out catalytic converter and now getting bad gas mileage
10

Asked by Suew0425 Mar 02, 2018 at 07:58 PM about the 1990 Nissan 240SX 2 Dr SE Hatchback

Question type: Maintenance & Repair

Getting really bad mileage.  Took out catalytic converter.  What could be
causing that?

2 Answers

F_O_R answered 6 years ago

The O2 sensors control the fuel mixture. Without the cat your car will not run correctly. Put the cat back in.

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Suew0425 answered 6 years ago

Is there anything I can do? Should I put back in the catalytic converter or new oxygen sensors? Thanks for your help

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