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Engine Discussions
HT4100 4.1, 4.5, 4.9
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120
M
Weird 4.9l issues
MitchMeister-
Sep 15, 2007
15
4K
Oct 9, 2007
by
kdcing
C
'91 4.9 swap into a rear drive application?
chiros
Oct 5, 2007
2
2K
Oct 9, 2007
by
the APEMAN
W
1985 4.1L Distibutor Drive Gear for oil pump
whatever243444
Oct 5, 2007
1
2K
Oct 8, 2007
by
carnut
T
SERVICE SOON telltale light!!
tallpat
Sep 10, 2007
4
1K
Oct 5, 2007
by
carnut
B
Possible Transmission Problem when shifting from park
behind-bars
Oct 1, 2007
8
2K
Oct 5, 2007
by
carnut
4.9 groaning
caddydaddy
Feb 25, 2007
12
2K
Oct 3, 2007
by
MitchMeister-
B
1985 Fleetwood FWD 4.1L hesitation/rough idle/won't start
BrentNewland
Oct 1, 2007
6
5K
Oct 3, 2007
by
BrentNewland
8
ISC RPM Out Of Range
88_Deville_Executive
Sep 19, 2007
3
10K
Oct 3, 2007
by
carnut
W
replacing camshaft bearings?
warlord
Sep 30, 2007
2
1K
Oct 3, 2007
by
carnut
K
Water Pump - Snapped Bolt
kdcing
Sep 30, 2007
2
3K
Oct 2, 2007
by
awadecki
A
Another tip for 4.x car owners
awadecki
Jul 5, 2007
5
1K
Oct 1, 2007
by
BrentNewland
Premium Fuel in the 4.9?
General_Motors_Fan
Jun 27, 2007
25
25K
Oct 1, 2007
by
N0DIH
M
Won't Start After Driving
mckimjim
Sep 30, 2007
1
1K
Sep 30, 2007
by
HUF
8
need help concerning tune up
83deville
Sep 30, 2007
1
893
Sep 30, 2007
by
ehall
F
newbie need help
Foothills Flyer
Aug 5, 2007
6
1K
Sep 29, 2007
by
HUF
M
Engine Noise
moondok
Jun 14, 2007
5
1K
Sep 29, 2007
by
JK2402
my 4100--what would you do
ehall
Sep 8, 2007
12
2K
Sep 28, 2007
by
ehall
should I replace the catalytic converter
ehall
Sep 28, 2007
0
1K
Sep 28, 2007
by
ehall
W
how many mods do you all know about?
wiccantoy
Sep 21, 2007
3
807
Sep 28, 2007
by
wiccantoy
high output alternator
still_walkin
Sep 20, 2007
6
8K
Sep 27, 2007
by
still_walkin
C
Torque converter lock up solenoid, Where?
caddeville
Sep 18, 2007
18
4K
Sep 26, 2007
by
caddeville
1990 deville shifting problem
brianroark
Sep 26, 2007
0
786
Sep 26, 2007
by
brianroark
C
TBI injectors
cadi197
Sep 24, 2007
0
1K
Sep 24, 2007
by
cadi197
K
Code E15???????
kingkreations
Sep 23, 2007
0
2K
Sep 23, 2007
by
kingkreations
P
4.1 Engine: Sensor Above #8 Spark Plug?
PeteC
Sep 23, 2007
2
947
Sep 23, 2007
by
Murphyg
F
e44 o2 error
firezone
Sep 5, 2007
4
2K
Sep 23, 2007
by
aaronrus
N
Cadillac 4.5L PFI and 4.9L PFI IAT?
N0DIH
Sep 10, 2007
1
2K
Sep 23, 2007
by
aaronrus
B
'92 Deville 4.9 runs great at startup, runs like crap when hot
Bluenose1
Sep 5, 2007
3
916
Sep 23, 2007
by
aaronrus
B
Non GM parts=sick Cadillac??
Bluenose1
Sep 19, 2007
4
934
Sep 23, 2007
by
peteski
R
4.9 Deville Concours driving terrible again!
rlowe228
Sep 19, 2007
3
1K
Sep 20, 2007
by
caddydaddy
8
85 Eldo HT 4100 ISC/TPS
85moeldo
Sep 16, 2007
3
3K
Sep 18, 2007
by
85moeldo
D
Engine Swap
D'Elegance
Sep 18, 2007
1
967
Sep 18, 2007
by
the APEMAN
L
4100 engine temp??
leek
Sep 15, 2007
1
2K
Sep 16, 2007
by
85moeldo
S
4.5 spark plugs
snydly402
Sep 15, 2007
2
845
Sep 15, 2007
by
caddydaddy
P
Finally Solved 4.1 Hesitation: Coil & Plug Wires
PeteC
Sep 15, 2007
1
1K
Sep 15, 2007
by
the APEMAN
1
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HT4100 4.1, 4.5, 4.9
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