P1335 - Exhaust Gas RECIRCULATION (EGR) Position Sensor Minimum/Maximum Stop Performance

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

P1335 - EXHAUST GAS RECIRCULATION (EGR) POSITION SENSOR MINIMUM/MAXIMUM STOP PERFORMANCE

Description:	This DTC is set when the voltage of the EGR valve position sensor greater than the bottom limit threshold.
Possible Causes:	Carbon buildup on EGR valve due to insufficient clean fuel, low fuel pressure, insufficient engine cooling, excessive oil in the intake air system or incorrect module calibration level. EGR valve
Diagnostic Aids:	This DTC is set when the powertrain control module (PCM) detects the EGR position sensor voltage is greater than 1.5 volts for greater than 2.5 seconds when the EGR valve is not being commanded by the PCM. Check the EGR valve for any carbon that could be holding the EGR valve open.
Application		Key On Engine Off	Key On Engine Running	Continuous Memory
All		refer to PINPOINT TEST W .