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2019 Ford Transit-150 3.7L Hesitation, Backfire
Installed the new Ford factory complete engine 5000 miles ago. Customer said this backfire slowly started coming about 1000 miles ago. The hesitation/backfire comes when accelerating at about 3/4 throttle. Fuel pressure is good. Injectors all test the same... 
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Related Documents & Media | VIN | 1FTYE2CM6K |
| Engine | 3.7 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Backfire |
| Occurs | Under Load, on Accel |
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Vehicle Data
2019 Ford Transit-150
| VIN | 1FTYE2CM6K |
| Engine | 3.7 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Backfire |
| Occurs | Under Load, on Accel |
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