96 Bonni w/3800 V6 coughs when starting - GM Forum - Buick, Cadillac, Chev, 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 11-25-2008, 12:17 PM   #1
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Default 96 Bonni w/3800 V6 coughs when starting

Not all the time, but sometimes when starting, it coughs, quits and releases a smokey substance, smells like flint or gunsmoke, from hood. It eventually starts, but the problem is frustrating to deal with. Any one else have this experience? Thanks in advance.
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Old 11-25-2008, 01:54 PM   #2
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Please notice all the sections in the Forum and place a problem in it'* proper section. As well, please dont double post a problem in several sections. It wont get your problem viewed any quicker, or by more people, and just makes it harder for you to get opinions in one place. Not to mention taking up more server resources.

I sounds like your cat is clogged. A sulfur smell will happen when they are clogged. Are you getting a SES light?
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Old 11-25-2008, 02:09 PM   #3
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My bad dude! Didnt see this section till after first post. You may be on to something re: cat.
Thanx!
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Old 11-25-2008, 02:13 PM   #4
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Checked w/ tech and he'* quite sure the cat is ok
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Old 11-25-2008, 02:38 PM   #5
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Pull your plugs and inspect them for any fouling.
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