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#1
10-01-2006, 06:42 PM
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98 Grand Prix Tach Problem
This is a rare occurance but its starting to weird me out. Sometimes when I'm driving, the tachometer will drop to zero and shortly after, the traction off light comes on. To fix this i put the car in neutral, turn it off, restart it, put it back in drive, and keep going. My car is a 98 Grand Prix GT with the 3800 series II engine. I'm guessing this is a computer problem but i have nooooo clue. any help would be awesome.
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#2
10-02-2006, 05:51 AM
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Re: 98 Grand Prix Tach Problem
You have the classic symptoms of a crank position sensor going bad. It's located behind the harmonic balancer on the 3800 series-II.
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 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#4
10-02-2006, 06:07 PM
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Re: 98 Grand Prix Tach Problem
Quote:
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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) Timeslip 08/12/06 AF Community Guidelines
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#6
10-02-2006, 07:57 PM
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Re: 98 Grand Prix Tach Problem
It can be a DIY job. Sensor may cost around $50.00. See tech procedure in link below. Good luck.
Click here
__________________
'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) Timeslip 08/12/06 AF Community Guidelines
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