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1985 Ford F-150 XL 4.9L Poor Idle Quality
howdy, In comes 1985 f150 with rough idle. owner just tuned-found ngk plugs gapped between .030 and .015. reset gap, problem still there. o2 not switching even when system richened up. replaced o2 sens-reads ok-prob still there. find usual vac leaks at intake-...
FIX posted 5/25/1998
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| VIN | 2FTEF14Y9F |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | CARB / carter YF CARB |
| Emissions | 49 STATE |
| Symptoms | Poor Idle Quality |
| Occurs | Always, Hot, Idle |
Message Closed w/FIX
Vehicle Data
1985 Ford F-150 XL
| VIN | 2FTEF14Y9F |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | CARB / carter YF CARB |
| Emissions | 49 STATE |
| Symptoms | Poor Idle Quality |
| Occurs | Always, Hot, Idle |
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