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Northstar Engines and System Technical Discussion
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First post in a while.
97EldoCoupe
May 15, 2021
28
5K
Sep 23, 2021
by
Pete1996
2000 DHS overheating
Fultzy
Sep 11, 2021
13
2K
Sep 15, 2021
by
cadillacmike68
C
95 Eldorado stalling
Chantry
Oct 7, 2008
4
3K
Sep 14, 2021
by
andrew holder
1997 Eldorado Northstar engine dies , electrical power still on
Cowboy_ina_caddy
Aug 7, 2021
7
2K
Sep 11, 2021
by
Ranger
2007 DTS cam and chain timing
AntonioVillani
Sep 5, 2021
0
690
Sep 5, 2021
by
AntonioVillani
02 STS, VIN 9 L37 4.6 L V8 SFI, help identify engine, no VIN / RPO, stamp pad is blank
Cadman2010
Dec 2, 2020
8
2K
Aug 30, 2021
by
Cadman2010
B
Secondary AIR injection system diagram
black beauty owner
Aug 26, 2021
2
1K
Aug 26, 2021
by
Submariner409
L
Bad batch of DELCO PLATINUM 41-950 SPARK PLUGS
Loose screw
May 14, 2006
2
29
5K
Aug 22, 2021
by
Submariner409
D
1995 Northstar hesitation during acceleration. Engine is in a Fiero
DrXtreme
Apr 11, 2020
17
2K
Aug 22, 2021
by
DrXtreme
K
Performance mods!
kcnewell
Jan 11, 2004
9
3K
Aug 22, 2021
by
Submariner409
1998 STS stalling at idle
aguthmiller
Jan 12, 2009
14
5K
Aug 21, 2021
by
Ranger
10% Ethanol in gas ok for the NorthStar engines?
Robroy
Aug 9, 2021
4
2K
Aug 9, 2021
by
Ranger
Car overheating? bad exuast smell? 2007 sts-v
Dutchess843
Aug 1, 2021
Redirect
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N/A
C
lifting out the '94 northstar.. please take a look
chance_b
Aug 30, 2005
17
3K
Jul 28, 2021
by
Long
C
Best oil for Northstar engines?
cadillac6
Nov 9, 2003
Locked
17
28K
Jul 18, 2021
by
DanielAbreu
Chevy Impala with Northstar V8 ???
Elpro999
Jul 15, 2021
0
2K
Jul 15, 2021
by
Elpro999
Oil Level Sensor Test
akaDigger
Jul 14, 2021
4
1K
Jul 14, 2021
by
Submariner409
W
N* cooling system... weirdness?
Wolfy01
Jul 5, 2021
4
994
Jul 7, 2021
by
Shortfuse
2001 Deville runs very rough, p0300 code
Baddeville
Jul 6, 2021
Redirect
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N/A
R
4.6 northstar / engine, Trans swap ?
rdmay
Dec 15, 2003
18
14K
Jul 5, 2021
by
Fresh Orange
Cant find correct COP Coil for my 2004 Deville DHS
LyndaLeetqpv
Jul 4, 2021
Redirect
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N/A
Some great Northstar removal/maintenance videos
DTS_CitySlicker
Jun 19, 2021
1
1K
Jun 20, 2021
by
Submariner409
L
PCV valve location 2003 Deville
lfwillis
Jun 18, 2004
20
44K
Jun 12, 2021
by
JIMBOS
A
1993 - 1995 Northstar Chip Mods
Allante North *
May 23, 2003
10
5K
Jun 12, 2021
by
Submariner409
M
CHRFAB Intake Manifold
Maxb49
Jun 11, 2007
8
3K
Jun 11, 2021
by
Submariner409
B
No Fire from 1 coil pack! ?'s about ignition!
Beaudreau
Jan 21, 2010
21
22K
Jun 3, 2021
by
Savage_slab***95 sls
D
1995 Northstar tach wire off ECM
DrXtreme
May 31, 2021
0
352
May 31, 2021
by
DrXtreme
2000 deville and 2004 deville ecm swap
Ashkan707
May 28, 2021
Redirect
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N/A
B
george
Big G little o
May 18, 2021
Redirect
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N/A
P
Impossible misfire to solve
ParkerT98
Apr 24, 2020
4
5
6
283
22K
May 15, 2021
by
ParkerT98
D
Broken bolt while replacing oil plenum
DEVIllEDHS21
May 10, 2021
1
408
May 11, 2021
by
Submariner409
Driving down the road and it drops into low gear and stays revving high
CadillacGage
May 2, 2021
5
851
May 3, 2021
by
Submariner409
C
2005 Deville coolant problem opinions needed.
Claw
Apr 29, 2021
9
3K
May 2, 2021
by
Ranger
misfires @ idle & WOT, no codes
mechanix
Jun 25, 2005
5
2K
Apr 27, 2021
by
Ranger
Torque Converter Installation
amana
Apr 25, 2021
2
2K
Apr 25, 2021
by
amana
1
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252
Northstar Engines and System Technical Discussion
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Discussions relating to the Northstar System and various drivetrain mechanical/electrical/sensor problems.
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