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P1299 Diagnostic Trouble Code Discussion for May 2012

Vacuum Leak Present With IAC Valve Fully Seated


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Trouble Ticket Help Requests for DTC P1299
Help Request Posted
1999 Ford E-350 Econoline Club Wagon Custom 6.8L Misfire VIN: 1FTSS34S0X
P1299: Cylinder head overtemp protect active. Van was driven in running poorly, CEL was on. Immediately noticed PCV hose had been left disconnected after customer replaced heater hose. Plugged it in, pulled codes for cyl head overtemp active and overtemp sensed, H02S11 indicates lean, as well as random mi...
May 29, 2012
1999 Ford E-350 Econoline Club Wagon Custom 6.8L Misfire VIN: 1FTSS34S0X
P1299: Cylinder head overtemp protect active. Van was driven in running poorly, CEL was on. Immediately noticed PCV hose had been left disconnected after customer replaced heater hose. Plugged it in, pulled codes for cyl head overtemp active and overtemp sensed, H02S11 indicates lean, as well as random mi...
May 29, 2012