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1990 Ford F-150 Custom 5.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
I COULD USE SOME HELP WITH THIS ONE GUYS.I HAVE CHECKED EVERYTHING I COULD THINK OF BUT I KEEP GETTING A CODE 41 HEGO NOT [...] I SCOPE THE O2 IT IS BETWEEN 400MV AND 200MV STRAIGHT LINE.I CAN DRIVE SIGNAL TO 1VOLT OR DROP TO .5VVOLT BUT IT WILL NOT SWITCH BY ...
FIX posted 12/21/2000
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| VIN | 1FTDF15N6L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED. |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot |
| Misc. | Gvw5450 |
Trouble Codes
| 33 | egr not opening |
| 41 | hego not switching |
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Vehicle Data
1990 Ford F-150 Custom
| VIN | 1FTDF15N6L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED. |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot |
| Misc. | Gvw5450 |
Trouble Codes
| 33 | egr not opening |
| 41 | hego not switching |
Video