93 Oldsmobile 88, changed fuel filter, why does it still only go up to thirty miles an hour when I floor it?

Fuel pump is working, acts like it has bad gas, doesn't rev up, so not trans related. what could be the name of the part that regulates the air fuel mixture?
93 Oldsmobile 88, changed fuel filter, why does it still only go up to thirty miles an hour when I floor it?
The computer controls the air/fuel mixture. That's not the problem though. Sounds like a bad catalytic converter. Take it to a muffler shop and let them check it out%26gt;
93 Oldsmobile 88, changed fuel filter, why does it still only go up to thirty miles an hour when I floor it?
Bad catalytic converter most likely. You can try and disconnect the mass air flow sensor and see if it's better. otherwise probably cat.



It will usually sound %26quot;bizarre, different%26quot; under the hood, like it's blowing air back out instead of sucking it in.



Or low fuel pressure/ pump shot.
Sure sounds like a plugged cat. another indication is oil consumption from blow by
Well in a 93 it has fuel injectors and the cars computer controls the air fuel mixture along with the oxygen sensor is your check engine light on you can hook up a code reader if it is you will need a reader for your car and a book of codes if the reader dose not have one best thing you can do is get a book like a Chilton that will show you a complete tare down and rebuild of just about everything in your car like trouble shooting they start at like 20 bucks and go up form there.

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