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Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-18-2004, 03:31 AM   #11
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Plugs

Replace with AC Delco only, messing around with anything but stock with your plugs/wires is a waste of hard earned greenbacks.
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Old 07-18-2004, 03:35 AM   #12
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I agree that it'* probably plugs and wires, but curious how does it start up, any delay or hesistation at all? If so that'* the Fuel Pressure Regulator going on you, it'* a common problems with Northstars
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Old 07-18-2004, 03:08 PM   #13
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what year is it? if its 96+, its obdII, a scanner would tell you everything. its a worthwhile investment to even buy one at a few hundred bucks, especially if you have alot of slightly older cars, it'll pay for itself

could be anything, FPR like taylor said, i had a problem with my EGR, plugs, the list goes on and on, i hate fixing stuff trial and error.
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Old 07-18-2004, 09:54 PM   #14
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its an 1999 and the check engine light isnt on. So still should i get it scanned for trouble codes.
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Old 07-18-2004, 10:50 PM   #15
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Yes, absolutely, also its smart to get a GM service manual for the 99 Aurora to assist you. They are worth their weight in gold.
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Old 07-19-2004, 03:32 AM   #16
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And the starting is HORRIBLE! I have to hit the gas while turning the ignition about a good 4-5 times like an Old School car. I thought that it being fuel injected would make the car start right up
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Old 07-19-2004, 10:40 AM   #17
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Ok, sounds like fuel pressure regulator, common failure, its a DIY job and the part is not that expensive.

Get it fixed.
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Old 07-19-2004, 07:17 PM   #18
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yup FPR, that should solve all your problems
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