Why my 2004 jag xj8 engine lite keeps coming on with PO 171 reading

Asked by Oct 22, 2012 at 09:36 AM about the 2004 Jaguar X-TYPE

Question type: Maintenance & Repair

The mechanic disconnected all the sensors, replace air filter 2 times within 3 months, installed theromastat, replaced servatine belt.  He reconnected the sensors, redid belt because belt separated and shreded one thread.

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241,335

http://www.obd-codes.com/p0171

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