Skip the auto shop - Our mechanics make house calls

Q: How do I perform the relearn process?

asked by on

How do I perform the relearn process?

A: Whenever the battery is disconnected, the e...

Whenever the battery is disconnected, the engine control computer needs to go through a procedure. It needs to “relearn” how to operate under specific conditions again to perform optimally. To perform the relearn process.

  1. Set the parking brake and put the vehicle in park.

  2. Turn everything off except the engine itself.

  3. When the engine reaches operating temperature, let the engine idle at full temperature for one minute.

  4. Turn the A/C compressor on and fan on high and allow engine to idle for one minute.

  5. Release the parking brake and shift to drive with your foot on the brake.

  6. Let the engine idle for one minute.

  7. Drive the vehicle for at least ten miles to complete the relearn process.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: How do I apply the parking brake?

The parking brake is an extra brake to ensure the safety of your vehicle. It can be used to make sure the vehicle is not going anywhere when stopped. To apply the parking brake: Locate the parking brake on...

Q: How do I turn on the ambient lighting?

In your truck, there is Ambient Lighting that helps illuminate the cab of your truck at the cup holders and footwells without distracting you while driving. To turn on the Ambient Lighting. Press the right side of the Ambient...

Q: Ford Ranger idle roughly

These engines were known to get a carbon build up on the intake valves and the excessive carbon buildup will soak up any fuel the injectors spray when it is first started until it gets warmed up. The buildup can...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.