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P0507 Diagnostic Trouble Code Discussion for February 2005

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
1998 Jaguar XJ8 4.0L Poor Idle Quality, Poor Fuel Economy, hi idle VIN: SAJKX6429W
P0507: idle control sys RPM too hi. Hi, This jag has a really high idle. The data shows o2 sensor #2 always lean. A smoke check doesn't show any manifold leaks. Neither does propane. Sometimes while moving wires or hoses ( I'm not sure which ) at the throttle area it will come back down to a nor...
February 09, 2005