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P0171 P0174
This is normally a fairly easy code. High mileage truck with 30k on the [...] a p0171 with high long term 30% bank 2 at 25% at idle 15% at cruise .Smoke test no leaks found except the normal places IAC EGR and throttle [...] from the pcv hose intake or past th... Login to read more. 
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| Engine | 4.6 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1998 Ford F-150 XL 4.6L
| Engine | 4.6 L |
| Trans | 4-speed Automatic (Electronic) |
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