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4.0 spark problem


Divh

New Member
Joined
Sep 21, 2012
Messages
263
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Location
bloomsburg PA
Vehicle Year
1993
1949
Make / Model
ford
ford
Engine Size
4.0
Transmission
Manual
hi i just gaped my plugs to factory spec and engine misfires on heavy load and low rpm its a 1993 ford ranger 4.0 what have everyone else gaping there pugs to
 


SenorNoob

SenorNoob

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TRS Event Participant
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Oct 24, 2012
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Location
Middle Tennessee
Vehicle Year
1988
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Total Lift
1.5" Front + 4" Rear
Tire Size
245-70-R16
0.054

Although I have left them as they came out of the box (about 0.044) and didn't have a problem.

Sure you didn't crack one or cross a wire in the process?
 
Dune Runner

Dune Runner

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Location
Alpine, Ca
Vehicle Year
1999 4.0
Make / Model
Ford
Engine Size
4.0
Transmission
Automatic
I gapped mine to .050
 
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