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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 10-24-2008, 07:16 PM   #1
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Default surging 1993 Bonneville

In overdrive placing load on motor like starting up slight hill on freeway the vehivle starts to surge and jerk. Pull transmission to drive and stops. I mechanic stated miss in motor. another mechanic stated torque converter. Vehicle 150,000 miles.
Any help appreciated.
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Old 10-24-2008, 09:37 PM   #2
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Sounds like bad plug wires to me... a wire will arc under load when it may run smoothly at idle or light load.

Just my 2 cents...
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Old 10-26-2008, 12:38 PM   #3
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With a volt ,ohm meter, Ignition off, test across the output poles of each coil. Should be around 5.8 ohms.
Had similar problem with my 93, it ran but crappy when I gave it any pedal at all. My coils all three tested 0 ohms.(not open, just 0).
Found one in a bone yard that tested something like 5.8, 5.8, & 5.78 or something like that. The coil pack comes off as an assembly (all three coils) cost me $24.00 and fixed!
Good luck
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