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Posts Tagged: Idle fluctuation problem

P0505, P0506, Idle fluctuation Ford

Idle fluctuates on Ford and trouble codes P0505 or P0506 Ford has issued a service bulletin #12-7-4 to address a P0505, P0506, Idle fluctuation problem on the vehicles listed below. The problem may exhibit P0505, P0506, with or without idle fluctuation and hard starts. In addition, the vehicles may also have P2111 and P2112 codes stored after the keep alive memory has been cleared, battery has been disconnected, or the vehicle had a dead battery. Ford has determined that the problem is caused by carbon buildup in the electronic throttle … Read More

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