What does lightning bolt mean on dashboard?

The lightning bolt on the dash means that there is a problem with the electronic throttle control system in your vehicle. Get a code reader and scan the engine for any logged codes. The light may be on for a glitch and the electronic throttle control system needs to be reset. The check engine light may remain on.

Do I need to disconnect battery to install cold air intake?

Disconnect the negative battery terminal. This isn’t just a step for the overly cautious — disconnecting the battery will reset the PCM so it can learn the new air/fuel ratios produced by the cold air intake. Slide air tube off of throttle body, then lift out the factory air box and intake.

What are the symptoms of a bad air intake hose?

What are the Symptoms of Air Intake Hose Failure?

• Your check engine light may come on and stay on.
• Additional intake noises may be heard during acceleration as air rushes in between the cracks on a broken intake hose or loose filter.
• The engine may run rough at idle and during acceleration.

Can a cold air intake cause misfire?

Registered. Yes, a CAI can cause a misfire. If the intake diameter isn’t quite what the MAF is calibrated for, you will get a different amount of air into the engine than it is metering. If you get too much, then you can run lean and get misfires (pinging).

How do you reset the electronic throttle control?

Resetting your electronic throttle control manually can be a tricky job. First, make sure the accelerator pedal is fully released. Next, turn the ignition on and then turn it off and wait for ten seconds. During these ten seconds, be sure the throttle valve is moving by listening for a sound of operation.

What causes an electronic throttle control to go bad?

In this case, the problem may be caused by a miscommunication link from the throttle controller and the engine’s air fuel mixture which is regulated by the mass air flow sensor on many cars. In most cases, issues with the throttle controller are electric, either caused by a damaged sensor or electrical relay.

What does ⚡ mean in a car?

Home » Symbols & Tell-tales » Electronic Throttle Control Indicator.

Does cold air intake give better throttle response?

The increased combustion that results from using a cold air intake means more horsepower and torque. This means your car will have better throttle response, horsepower gain, and be able to tow more weight.