why does my car start fine but idle rough and dies when given gas

Asked by Sep 27, 2012 at 03:15 PM about the 1990 Oldsmobile Cutlass Supreme

Question type: Maintenance & Repair

2 Answers

85

fuel pump. almost all W body cutlass' (89-97) have bad pumps

5

The choke cut-off thermometer could be worn out. It is located on the passenger side of the carburetor and is held in place by three rivets. Try rebuilding the carburetor as well. If the equipped engine is the 231 Buick, it should be a Rochester Dualjet and not too difficult of a rebuild.

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