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1986 Ford F-150 XL 5.0L Poor Idle Quality, Hesitation, Stall
I have replaced 02 sensor, EVP sensor, checked all vacuum hoses, cleaned throttle body, checked timing; But this baby will start fine, then as it warms will shut down, then it's like the old quadrajet give it gas and it dies! Please, any help is very much appr...
FIX posted 1/30/1999
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| VIN | 1FTCF15NOG |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | Always, on Accel |
Trouble Codes
| 25 | Knock sensor signal not detected/ Dyn response test |
| 34 | EVP voltage above closed limit |
| 44 | Secondary air injection system inoperative/ right side |
| 77 | Brief WOT action not detected during self test |
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Vehicle Data
1986 Ford F-150 XL
| VIN | 1FTCF15NOG |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Hesitation, Stall |
| Occurs | Always, on Accel |
Trouble Codes
| 25 | Knock sensor signal not detected/ Dyn response test |
| 34 | EVP voltage above closed limit |
| 44 | Secondary air injection system inoperative/ right side |
| 77 | Brief WOT action not detected during self test |
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