SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P050E: COLD START ENGINE EXHAUST TEMPERATURE OUT OF RANGE
2010 Ford Focus S, Standard

DTC P050E: Cold Start Engine Exhaust Temperature Out Of Range

2010 Ford Focus S, StandardSECTION DTC P050E: Cold Start Engine Exhaust Temperature Out Of Range
DTC P050E: COLD START ENGINE EXHAUST TEMPERATURE OUT OF RANGE

For Vehicles With An Idle Air Control (IAC) Valve 
Description:  The powertrain control module (PCM) attempts to control engine speed during the key on, engine running (KOER) self-test. The test fails when the desired RPM could not be reached or controlled during the self-test.
Possible Causes: 
  • IAC circuit open
  • VPWR to IAC solenoid open
  • B+ or VPWR to IAC solenoid open
  • Air inlet is plugged
  • IAC circuit short to voltage
  • Damaged IAC valve
Diagnostic Aids: 
For All Others 
Description:  The powertrain control module (PCM) calculates the actual catalyst warm up temperature during a cold start. The PCM then compares the actual catalyst temperature to the expected catalyst temperature model. The difference between the actual and expected temperatures is a ratio. When this ratio exceeds the calibrated value this DTC sets and the malfunction indicator lamp (MIL) illuminates.
Possible Causes: 
  • Intake air restriction
  • Exhaust restriction
  • Engine mechanical concern
  • Damaged or sludged electronic throttle body (ETB)
  • Vacuum leaks
  • Damaged PCM
Diagnostic Aids:  Disregard the freeze frame data. Freeze frame data does not apply to the cold start monitor.
This DTC is informational only and may be accompanied by other DTCs. Diagnose other DTCs first. If no other DTCs are present, inspect the intake air system for air restrictions, vacuum leaks, and damage. If no concerns are present, clear the DTCs and verify the engine coolant temperature (ECT) is below 37.8° C (100°F). Allow the vehicle to soak for 2-3 hours if necessary for the ECT to fall below 37.8° C (100°F).
Start the engine without touching the accelerator pedal and allow the engine to idle for 6 minutes in park. If no DTCs are present and the malfunction indicator lamp (MIL) is not illuminated after idling for 6 minutes, carry out the key on engine running KOER self-test to confirm that no DTCs are present and the repair is complete.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Ranger Refer to the Description, Possible Causes and Diagnostic Aids for the appropriate DTC.
All others Refer to the Description, Possible Causes and Diagnostic Aids for the appropriate DTC.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.