F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
![background image](/ford/f_150_heritage_4wd_pickup/v6-4.2l_vin_2/Page-292002.png)
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For complete diagnosis of the Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection
OBD II - BI-Fuel CNG Only
For diagnosis of code P1261 refer to chart