problem is back 94 bonny - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-18-2011, 03:28 AM   #1  
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Default problem is back 94 bonny

replaced return fuel line helped bad idle, but now back to rough starts wandering idle chugging etc , fuel pump maybe? or air idle problem?
anyone???????? this is making me nuts engine light on, tracktion light on also.
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Old 03-18-2011, 07:05 AM   #2  
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Check your fuel pressure if you suspect the fuel pump. Have you cleaned your throttle body? Have you checked for vacuum leaks?
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