Thread: 99 Grand Prix acceleration problems
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Old 12-11-2010, 10:11 AM
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BNaylor BNaylor is offline
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Re: 99 Grand Prix acceleration problems
Which engine do you have? L36 NA SII 3800, L67 supercharged SII 3800 or 3.1L "VIN M" are your choices.

It could be a CAT converter issue.



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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