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1999 Pontiac Grand Prix GTP 3.8L Poor Fuel Economy
Posted to GM Driveability on 2/12/2007 8 Replies

hello to all i'm looking for some help on this one. this is my personal vehicle.the problem is that on my scanner (snap on modis) their is a pid that say's ignition mode [yes]. according to the scanner this pid should have [no]. as far as i know when pid say's...

Summary posted 2/28/2007

8 Replies Received (View Replies)

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1999 Pontiac Grand Prix GTP

VIN 1G2WR5210X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursNot Applicable