Again, turn the ignition on for at least 2 seconds. Turn the ignition switch off for at least 10 seconds. Turn the ignition switch on without starting the engine for at least 2 seconds. Make sure the accelerator pedal is fully released. We are now ready to perform the required relearn procedure. Finally, make sure the front wheels of the vehicle are in the neutral position pointing straight ahead. Third, turn off all accessories such as the air conditioning, rear window defogger, radio, and heater blower to prevent a load on the engine which would cause erroneous positioning of the throttle plate. Second, make sure that ignition timing is at the recommended manufacturer’s specifications. If everything is in order, we can begin.įirst, bring the engine to normal operating temperature, 160-203☏ or 70-95☌. Do not perform the relearn if the service engine soon light is on and codes related to the mass airflow sensor, manifold absolute pressure, or incorrect idle speed are found. Disconnect the negative battery terminal for 30 seconds to reset the onboard computer. Special attention should be given to the PCV system, oil dipstick, and filler cap seals for damage. Inspect the engine for any damaged hoses that could cause a vacuum leak.
But before we do that, there’s a few things we need to look at.įirstly, check the vehicle for any pre-existing trouble codes and make the appropriate repairs. In this video, we’ll be going through the required relearn instructions for your vehicle.
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