Originally Posted By: KJSmith
Look at the fuel pump.
IIRC its located at the rear of the drivers head.
They have been known to leak.
Not a uncommon problem.
Good call KJSmith, I did some forum specific searching. That is a possibility. Some guys are seeing their dipstick rise 1/2" in 100 miles with that pump seal failure. Most likely culprit is a bad PCV valve though;
https://www.f150ecoboost.net/forum/31-f150-ecoboost-problems/8270-fuel-smell-oil-12.html
TSB 14-0014 3.5L GTDI - FUEL ODOR FROM ENGINE OIL AND/OR ENGINE OIL LEVEL OVERFULL
Publication Date: January 20, 2014
2011-2014 F-150
ISSUE: Some 2011-2014 F-150 vehicles equipped with a 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit a raw fuel odor from the engine oil and/or an engine oil level indication overfull.
SERVICE PROCEDURE
#. Is the vehicle equipped with a heater in the thermostat housing? Refer to Workshop Manual (WSM), Section 303-03.
Yes - remove and discard the heater and cord. Refer to WSM, Section 303-03. Proceed to Step 2.
No - proceed to Step 2.
#. Remove the left hand (LH) Turbocharger. Refer to WSM, Section 303-04.
#. Install the Block Heater Kit.
Installation instructions are provided in the kit.
#. Install the LH Turbocharger. Refer to WSM, Section 303-04.
#. Change the engine oil and oil filter.
#. Replace the Positive Crankcase Ventilation Valve (PCV) . Refer to WSM, Section 303-08.
#. Determine the vehicle build date. Refer to WSM, Section 100-01.
a. If the vehicle build date is on or before 10/24/2011, proceed to Step 7.
b. If the vehicle build date is after 10/24/2011, proceed to Step 11.
#. Remove and discard brake booster vacuum hose. (Figure 1)
Figure 1 - 14-0014
#. Install the new brake booster vacuum hose. (Figure 2)
Figure 2 - 14-0014
#. Install the cap on the air intake. (Figure 2)
#. Reprogram the Anti-lock Brake System (ABS) Module to the latest calibration using IDS release 88.02A and higher.
#. Reprogram the powertrain control module (PCM) to the latest calibration using IDS release 88.02A and higher.
NOTE PLEASE ADVISE THE CUSTOMER THAT THIS VEHICLE IS EQUIPPED WITH AN ADAPTIVE TRANSMISSION SHIFT STRATEGY WHICH ALLOWS THE VEHICLE'S COMPUTER TO LEARN THE TRANSMISSION'S UNIQUE PARAMETERS AND IMPROVE SHIFT QUALITY. WHEN THE ADAPTIVE STRATEGY IS RESET, THE COMPUTER WILL BEGIN A RE-LEARNING PROCESS. THIS RE-LEARNING PROCESS MAY RESULT IN FIRMER THAN NORMAL UPSHIFTS AND DOWNSHIFTS FOR SEVERAL DAYS.
Advise the customer that the block heater should be plugged in at -15 °C (0 °F) or less to improve fuel-in-oil symptoms.
PART NUMBER PART NAME DL3Z–6D008-A Block Heater W520514-S440 Exhaust Nut (4 Req) BL3Z-6N652-B Turbo Oil Line Gasket AA5Z-00815-C Oil Line O-Ring CL3Z-9450-B Gasket - Exhaust Man AA5Z-6A666-D PCV CL3Z-9C490-B Vacuum Hose W716372-S300 Vacuum Cap W715673-S900 Bolt - Turbocharger (3 Req) VC-3-B Motorcraft® Orange Antifreeze/Coolant Concentrated FL-500S Motorcraft® Oil Filter XO-5W30-QSP Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor Oil .
OPERATION DESCRIPTION TIME 140014A 2011-2014 F-150 4X2, 2013-2014 F-150 4X4 3.5L GTDI: Install Block Heater And PCV Valve Includes Time To Remove And Install Left Bank Turbo Charger, Reprogram The PCM/ABS Modules And Replace The Brake Booster Brake Booster Vacuum Hose If Necessary (Do Not Use With Any Other Labor Operations) 3.7 Hrs. 140014A 2011-2012 F-150 4X4 3.5L GTDI: Install Block Heater And PCV Valve Includes Time To Remove And Install Left Bank Turbo Charger, Reprogram The PCM/ABS Modules And Replace The Brake Booster Brake Booster Vacuum Hose If Necessary (Do Not Use With Any Other Labor Operations) 3.8 Hrs. 140014B 2011-2014 F-150 4X2, 2013-2014 F-150 4X4 3.5L GTDI: Remove Existing Block Heater Per Procedure, Install Block Heater And PCV Valve Includes Time To Remove And Install Left Bank Turbo Charger, Reprogram The PCM/ABS Modules And Replace The Brake Booster Brake Booster Vacuum Hose If Necessary (Do Not Use With Any Other Labor Operations) 3.9 Hrs. 140014B 2011-2012 F-150 4X4 3.5L GTDI: Remove Existing Block Heater Per Procedure, Install Block Heater And PCV Valve Includes Time To Remove And Install Left Bank Turbo Charger, Reprogram The PCM/ABS Modules And Replace The Brake Booster Brake Booster Vacuum Hose If Necessary (Do Not Use With Any Other Labor Operations) 4.0 Hrs.
WARRANTY STATUS
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage.
Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
DEALER CODING
BASIC PART NO. CONDITION CODE 6A666 42
