How do I bypass idle on Peterbilt?

The truck is equipped with an auto-shutdown if the truck idles more than 5 minutes. To bypass it, you have to sit and wait 4 mins, 30 secs, wait for a light to start flashing on the dash, and tap the throttle. Then it’ll run till it’s out of fuel if you let it.

Is the auto shut down bypass a bad feature?

He feels this is a terrible feature in that it has no way to over-ride the system which would allow the vehicle to sit running for multiple hours.

How does over ride work on a Silverado?

This over-ride feature could be programmed to require a manual over-ride after each engine start, in other words it would revert back to the auto shutdown feature once the user turned off the vehicle. My response to the OP’s issues in the other thread mentioned…

Why did my Silverado shut down the bypass?

If it was a function of the user to manually over-ride the system, then the fault for any exhaust related death should fall on the user who chose to over-ride the system.

What happens when the automatic shutdown relay is on?

So, When the automatic shutdown (ASD) relay is on; it supplies battery voltage (12+ volts) to the fuel injectors and ignition coil (s). And, With certain emissions packages it also supplies (12+ volts) to; the oxygen sensor heating elements and the oxygen sensor heater relay.

He feels this is a terrible feature in that it has no way to over-ride the system which would allow the vehicle to sit running for multiple hours.

If it was a function of the user to manually over-ride the system, then the fault for any exhaust related death should fall on the user who chose to over-ride the system.

How does auto stop start on Chevy Silverado work?

The system then automatically starts the engine back up as soon as it detects that the driver has lifted their foot off the brake pedal. Engine auto stop-start feature has occasionally been criticized by owners of vehicles with the feature.

How do I bypass idle on Peterbilt?