This guide will help you determine the correct DualCurve component required to provide the optimum fuel control, timing advance, and diagnostic support for alternate fuel conversions of Dodge, Ford, or GM vehicles. Select the make of your vehicle, then use the table to identify what product is recommended.
 
Select the Make/Manufacturer:
 
 
 
IDENTIFYING MODEL YEAR
Locate the Vehicle Emission Decal on the radiator cover. This will specify the model year and whether the vehicle is OBD I or OBD II. OR Identify the 10th digit in the VIN and refer to manual or local dealer.
 
IDENTIFYING OBD II
Year Models: 2001-1996 Cars, Light & Medium Duty vehicles sold in the USA & Canada.
OBD II Features: All Dodge, Ford, & GM's have:
  • Oxygen sensor(s) behind the catalytic converter(s).
  • A 16 pin diagnostic connector under the drivers side dashboard.
Specific Features:
DODGE     Three 40 pin connectors on the PCM.
FORD     A 104 pin connector on the PCM.
Note: '98-'96 F250 & F30 Heavy Duty still have OBD I.
 
 
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