changed the cat on my 98 honda accord but know my car will not start

Asked by Sep 20, 2015 at 12:46 PM about the 1998 Honda Accord LX

Question type: Maintenance & Repair

changed the cat and now the car will not start no engine light was on do I have to change the censor to the cat

3 Answers

145

I doubt it's that, maybe the engine doesn't have enough back pressure. This would happen if the pipes were not sealed correctly. We changed the catalytic converter on my Dodge Ram pickup and it doesn't like to start up either. We think it's the fact that the converter isn't sealed properly and we're going to put some rescue tape around the top and bottom pipes from the headers. Hope this helps.

145

Maybe try resetting the computer?

3,755

Sounds more like a disconnected wire or blown fuse, at the very least sounds more electrical in nature and probably just coincidental to the cat change, can't say that 100 percent tho based on your statement and no description of what the car does or sounds like when trying to start it.

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