Question about 1989 Oldsmobile Cutlass Ciera

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1989 cutlass ciera 3.3L, when starting cold, runs for about a minute then dies eventually when it gets warmed enough it stays running, idles erratically all the while its running, out on the highway as long as you have your foot on gas it seems fine and has plenty of power so figuring its not a cat converter problem, let off the gas (going downhill etc) and it lurches and bucks along. wondered if maf/map sensor, but really don't want to spend 200 bucks just on a "maybe" solution. anybody have any solid idea? thanks

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Hi and welcome to FixYa!
As a first course of action, I strongly suggest that you check the vacuum lines. If you have a worn out or disconnected vacuum lines these issues can occur. I'm suspecting the MAF sensor too. Before proceeding on replacement, please remove the throttle body and clean it with a carburetor cleaner till it's clear of carbon. Carbon deposits can make irregularities on the air flow.
If the problem still persists then go with the MAF sensor replacement. Hopefully, cleaning the throttle body resolves the problem to cut the cost.
Hope this helps and thank you for using FixYa! Have a good one!

Posted on Mar 25, 2011

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Posted on Jan 02, 2017

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