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'94 2.3L - One Coil Pack Not Getting Power

Joined
Mar 5, 2008
Messages
271
Reaction score
2
Points
18
Age
33
Location
Suffield, Ohio
Vehicle Year
2009
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
SOHC 4.0L
Transmission
Manual
2WD / 4WD
4WD
Tire Size
LT265/75/R16
Hey guys - my problem is back. My '94 Ranger that I picked up cheap to fix and sell has given me a problem I can't identify. The truck will be running fine, then all of a sudden - no power, almost stalls. Then just like that, it'll run fine. I discovered that one of the coil packs is not producing spark, so the truck starts running like crap. Both coils are good. Obviously a spark issue. Help guys, I need to sell this truck!
 


scotts90ranger

Well-Known Member
RBV's on Boost
Joined
Feb 28, 2001
Messages
6,473
Reaction score
1,899
Points
113
Location
Dayton Oregon
Vehicle Year
1990, 1997
Make / Model
Ford
Engine Type
2.3 (4 Cylinder)
Engine Size
2.3 Turbo
Transmission
Manual
2WD / 4WD
4WD
Total Lift
6
Tire Size
35"
When it acts up, take the ignition module to autozone or something and have it checked, it's about the only other part of the ignition system
 

Bryan22

New Member
Joined
May 2, 2008
Messages
1,610
Reaction score
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Age
37
Location
So-Cal babay
Vehicle Year
94 extd
Make / Model
Ford
Engine Size
94 2.3
Transmission
Manual
Just an FYI, one pack doesn't spark when you're trying to start it, so if you found a pack had no spark with the truck not running, it's normal.
 

modelageek

Active Member
Joined
Jan 31, 2009
Messages
2,241
Reaction score
14
Points
38
Location
Boston, MA
Vehicle Year
2004
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Automatic
2WD / 4WD
4WD
Hey guys - my problem is back. My '94 Ranger that I picked up cheap to fix and sell has given me a problem I can't identify. The truck will be running fine, then all of a sudden - no power, almost stalls. Then just like that, it'll run fine. I discovered that one of the coil packs is not producing spark, so the truck starts running like crap. Both coils are good. Obviously a spark issue. Help guys, I need to sell this truck!
When it acts up, take the ignition module to autozone or something and have it checked, it's about the only other part of the ignition system
Just an FYI, one pack doesn't spark when you're trying to start it, so if you found a pack had no spark with the truck not running, it's normal.
Bryon had a nice observation about the exhaust side not always firing........my guess is the primary coil is the one that is not receiving the power and I agree that it is most likely the ICM
 

scotts90ranger

Well-Known Member
RBV's on Boost
Joined
Feb 28, 2001
Messages
6,473
Reaction score
1,899
Points
113
Location
Dayton Oregon
Vehicle Year
1990, 1997
Make / Model
Ford
Engine Type
2.3 (4 Cylinder)
Engine Size
2.3 Turbo
Transmission
Manual
2WD / 4WD
4WD
Total Lift
6
Tire Size
35"
Bryon had a nice observation about the exhaust side not always firing........my guess is the primary coil is the one that is not receiving the power and I agree that it is most likely the ICM
the intake side is secondary, I'm running my truck only on the exhaust side with the 4 plug turbo engine with DIS
 

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