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#2
06-10-2007, 03:36 AM
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2000 grand prix se
engine light is on and stays on took it to autozone and wont give any codes wont even turn the scanner on so we looked the fuses over and all of them are good so what would it be any help would great.........
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#3
06-10-2007, 08:22 AM
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Re: 2000 grand prix se
Welcome to AF.
Your two separate threads have been merged together. Please try to keep only one thread on the same issue. Your cooperation is appreciated. The data link port gets it's 12 volts from the cigarette lighter fuse so check that out again. Is the cigarette lighter working?
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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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#5
06-11-2007, 12:39 AM
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Re: 2000 grand prix 3100 ses light on
What is the diagnostic trouble code (DTC) you are getting?
EGR (Exhaust Gas Recirculation) is an emissions control device that reduces NOx (nitrogen oxide and nitrogen dioxide). When commanded by the PCM module (computer) after certain parameters are met it opens and passes hot exhaust gases into the intake system to accomplish reducing NOx for emissions control.
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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
06-12-2007, 09:21 PM
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Re: 2000 grand prix 3100 ses light on
If your code came up "insufficient EGR" it might not be the EGR valve. It might be a clogged passage between the EGR valve and the throttle body. These passages clog up on high mileage vehicles and the computer senses the lack of egr gasses at the oxygen sensor when you decelerate.
Usually it is not too hard to clean out the passage with throttle body cleaner (removes carbon real good) and a coat hanger. I would pull the upper plenum when doing this if it were my vehicle to keep the residue that you break free out of the engine. Some folks might just remove the egr valve and throttle body and clean the passage with the upper plenum on the car.
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