• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by pbxcomm

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    New Strut / Coil Spring / Mount Assembly

    Hello all.. I've searched new and old threads here.. I'm in the discovery process for new struts for my 2003 GT 3.8.. I'm an aggressive driver (so I'm told) but also travel much, so I'm looking for as close to a touring ride as possible.. Here's what I have found thus far, maybe some more...
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    RE: CES Light Rough Idle

    RE: CES Light Rough Idle Hello all... Problem 2003 Grand Prix GT 3.8.. Within the past week of driving, I've noticed a stall when the engine returns to idle. If I increase throttle to around 1500 to 200 RPM then quickly return to idle the engine will stall down to about 100 to 200 RPM then back...
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    RE: Stalling @ startup (cold only)

    RE: Stalling @ startup (cold only) Hello all… I have small issue maybe someone can help with.. 2003 Grand Prix GT 90,000 mi. 3.8L (L36) On cold start: The motor nearly stalls and then picks itself back up. The RPM’s drops to about 400 -> 500 then jumps suddenly to normal warm up RPM (about 1200...
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    3800 Motor Replacement

    Hello all.... I MAY need my 3800 motor replaced in my 2003 Grand Prix GT... That said, there are few "garage" mechanics left in our motor world these days (its ashame). Anyway I am in the Crystal Lake, Illinois area, if anyone on these forums knows of anyone in my area (within reasonable...
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    Engine "Knock"

    Hello all... I've recently purchased a Grand Prix GT (2003 w/87000 mi.). Since I have changed the oil (Royal Purple Synthetic 5w-30), I have noticed a knock coming from what appears to be the botton end of the motor, hard to tell exactly. The knock is not rythmic (it comes and goes only at...
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    Fuel/Octane Issue?

    Hello all, I purchased a 2003 Grand Prix GT 80,000 mi.., no mods, bone stock. Since I owned this car, about a month, I've been putting in 93 octane ( Shell ). Then I read I am waisting my money. I had about a half a tank of 93 and decided to top it off with 87. Now, I noticed if I accelerate...
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    RE: New Brakes? Old question?

    RE: New Brakes? Old question? Hello all.. I am relativley new here... I know this has been covered hundreds of times and there are "stickys" on this, but I'm more confused as I read over dozens and dozens of pages. I have a 2003 Grand Prix GT, I just purchased with 78K miles, its showroom...
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