The Cat converter was clogged on my 87 SE 2.5, so I had the cat cut out and a cherry bomb glass pack welded into its place. Can this cause the "Check Wallet Soon" light to come on?

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Shouldn't the O2 sensor is in front of the cat. Some newer cars have rear O2's but not the Fiero drive away. My 86 has had a hollowed out cat for more than ten years no problems. do you have emisions checking in your area ??? if not don't worry

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LS1 in and running :)

http://ls1swap.tripod.com/

That's funny, "Check Wallet Light"! I think that light only comes with the NOS N*. On yours, you shouldn't have any problems although the exhaust might sound better and a bit louder.

So how's your wallet doing?

How's the light doing?

Or is that "what's in YER wallet?"

(Answer: lots of receipts from the parts store)

Try actually pulling thge codes that are setting the SES light. Short terminals A and B of the ALDL terminal behind the cigarette lighter cover.

Love the "Check Wallet Soon"

I'd open up my wallet to have one of those

Tina