What is your question?
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What is your question?
when driving it will not push motor fast with rpms..and when at a red light is feels like its going to shut down but does not. I replace spark plugs and wires I don't know if I am supposed to tighten wires a certain way or not ?
What makes this problem better or worse?
just changed sparks plugs
How long has your 1999 Oldsmobile Bravada had this problem?
2 weeks
1 Reply
This could be many things. A professional scan of the engine computer can point you in the right direction. I recommend bring it to a shop at this point. Sounds like a misfire which can cause your expensive catalytic converter to fail.https://repairpal.com/repair-shops Alex