Dec 2, 2020 · Hi all, It's been a while since I've had a 3800 powered car.. I wandered for a few years, after owning four 3800 powered cars in a row. I'm thinking of coming back into the fold, but I'm …

Mar 7, 2025 · The PCV is now partially external (fresh air draw sode), and the vertical tube near the EVAP mount on the back needs to see pre-throttle blade air to be measured by the MAF (was a …

Mar 17, 2021 · I changed my ignition coils out and put the new ones on and now I have no spark I changed the icm thinking it was that and still no spark so doing some research found out the crank …

Jan 19, 2025 · The familiarization of the 3800 platform is why you're here, not for generic "electronic parts probably failed" guesswork confirmation. I'm not going to zoom in on any specific cause after …

Apr 25, 2009 · Help! 2004 Grand Prix with 3800 Series III V6. There is a plastic 90 degree elbow under the alternator/tensioner area. It has sprung a coolant leak and I'm not sure how to replace it! It …

May 6, 2024 · The main issue is the lack of supporting mods, because you're able to slap 350-500+hp into a 3800 car, but good luck keeping a drivetrain under it if in an original FWD chassis.

May 31, 2025 · This is a 3800 series II in a project car, has been on the road for a while. This last week it won't idle properly, seems the fuel pressure is strange - engine off - fuel pump brings a gauge on …

Jul 4, 2011 · I have a 3800 series 2 sitting in my driveway right now, at 200k miles, and what typically happens when the chain stretches, is the MAF sensor no longer functions correctly. the lower …

Mar 9, 2012 · 2003 Monte SS, 2005 l67 swap, GenV swapped, 3.3/2.8 mps, 75mm TB, YT 1.8 Rollers, Wizaired CAI, 160 drilled t-stat, TR7IX @ .035", AEM wideband, SLP headers, Corsa cat-back, …

Jul 3, 2021 · Series 3, 3.8L throttle body upgrades. Jump to Latest 17K views 23 replies 3 participants last post by dezldave961 Sep 1, 2021 3800 Lucerne Discussion starter 14 posts · Joined 2020 #1 · …