Chart 6
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Lack/Loss Of Power: Acceleration, Cruise
- Runs Rough: Acceleration, Cruise
- Misses: Idle, Acceleration, Cruise
- Buck/Jerk: Acceleration, Cruise, Deceleration
- Hesitation/Stumble: Acceleration
- Surge: Acceleration, Cruise
- Poor Fuel Economy
Carry out the following preliminary checks:
- Compare the loaded weight of the vehicle with the performance expectations.
| SYSTEM OR COMPONENT | REFERENCE ( Pinpoint Test unless noted) |
|---|---|
| Exhaust Restriction | Visual. INSPECT the exhaust system for obstructions or restrictions. REPAIR as necessary. |
| Fuel Quality | REFER to HOW TO USE THE DIAGNOSTIC PROCEDURES , Sufficient Clean Fuel. |
| Power Balance | CARRY OUT the Power Balance test on the scan tool. REFER to the scan tool for directions. |
| Fuel Pump Pressure | GO to PINPOINT TEST MA . |
| Turbocharger | GO to PINPOINT TEST KA . |
| Exhaust Gas Recirculation (EGR) System | GO to PINPOINT TEST W . |
| Engine Wear | REFER to the appropriate , Engine - 6.7L Diesel article, General Procedures, Compression Test. |
| Oil Pressure | REFER to the appropriate Engine article . |
| Transmission Concerns | REFER to the appropriate Automatic Transmission article , Preliminary Inspection. |
| Exhaust Pressure (EP) Sensor | GO to PINPOINT TEST X . |
| Manifold Absolute Pressure (MAP) Sensor | GO to PINPOINT TEST E . |
| Mass Air Flow (MAF) Sensor | GO to PINPOINT TEST J . |
| Biased EOT Sensor | GO to PINPOINT TEST L . |
| Brake Over Accelerator | CHECK for simultaneous brake pedal and accelerator pedal operation inadvertently activating the brake over accelerator feature. CHECK the BRKOVR_ACTION, BRKOVRD_POSS, and DIST_BRKOVRD PIDs for recent simultaneous brake pedal and accelerator pedal operation. ADVISE the customer that simultaneous brake pedal and accelerator pedal operation by the vehicle operator activates the brake over accelerator feature. REFER to POWERTRAIN CONTROL SOFTWARE for additional information. |