Why does my car shake after changing the battery?

Why does my car shake after changing the battery?

The ECU needs to relearn its fuel trims — it’s normal for the idle to be unstable for the first couple drive cycles after disconnecting the battery (which is obviously required to install a new battery, so it applies to your situation).

How do I relearn my car idle?

Follow these steps to complete an Idle Relearn:

1. With vehicle at a complete stop, set the parking brake.
2. Put gear shifter in “P” (Park), turn off all accessories.
3. Run the engine until it reaches normal operating temperature.
4. Allow engine to idle for at least one minute.

What does an idle relearn fix?

Relearning. During the relearning procedure, the PCM may change the idle speed until the correct speed is achieved. If the engine threatens to stall or idles too high, stepping on the gas slightly or taking the car for a short drive will help set the PCM correctly.

How do you reset engine idle speed?

To complete the idle relearn:

1. Bring the engine to normal temperature, have the accessories off.
2. Leave idling for 2 minutes in Park/Neutral to learn.
3. With the vehicle securely held on the brakes or wheel chocks, change into Drive.
4. Leave idling for 2 minutes in Drive to learn.
5. Turn the Air-conditioning on full if fitted.

Why does my Toyota Camry idle too low?

I have a 2006 Toyota Camry. I replaced the battery the other day which I noticed was getting weak. The battery was disconnected all of 10 minutes. After, it idles too low. It shudders pretty bad and even killed itself once. If my foot is on the gas pedal there’s no problem.

What’s the rough idle after a Toyota battery replacement?

Here’s a DIY from YouTube demonstrating his procedure for cleaning the throttle on a 2003, 2AZ powered Camry: As Eden Prairie and Chanhassen’s Toyota and Lexus repair specialist we hope this helps the DIY and professional auto mechanic alike sort out the typical rough idle after a Toyota or Lexus battery replacement, repair, or disconnect.

What to do if idle speed is wrong after replacing battery?

Put the fuse back in, reconnect the battery. Key on engine off for 10 seconds and start the engine. Let it warm up without any loads on (e.g. the blower motor). Once it hits closed loop you should be good to go. Thanks for contributing an answer to Motor Vehicle Maintenance & Repair Stack Exchange!

What to do if your Toyota idle speed is wrong?

You can also use a small brush to help. Put the fuse back in, reconnect the battery. Key on engine off for 10 seconds and start the engine. Let it warm up without any loads on (e.g. the blower motor). Once it hits closed loop you should be good to go.