What does the code p0440 mean on a Toyota?
P0440 Code – Toyota. OBD-II code P0440 represents a general fault in the Evaporative Emission Control (EVAP) System. Basically, this code means that something in the EVAP system is broken. Another code will typically accompany P0440, often in the P044X chain (where “X” represents any number).
How much does it cost to diagnose a Toyota code?
The cost of diagnosing the P0440 TOYOTA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. When is the code detected?
What causes a fuel cap to trigger code p0440?
A damaged or improperly fitted fuel cap can trigger code P0440. Leaking or damaged carbon canister – Corrosion or even collision damage can cause the carbon canister to crack and fail. Faulty EVAP vent valve and/or faulty EVAP purge valve – Stuck valve openings can impede the normal function of the EVAP system, causing a leak to be detected.
How does a purge valve work on a p0440?
Once it’s running, a purge valve opens and an intake vacuum is created to siphon the vapors to your engine. When it is operating properly, this system helps contain fuel vapors and prevents them from escaping into your garage or environment.
Is it safe to drive a Toyota Tundra p0441?
It’s usually completely safe to drive your Toyota Tundra with P0441. We still recommend dealing with it as soon as possible, though. Good luck with fixing the issue. If you feel there is anything that you would like to add to this article, please feel free to leave a comment below.
What does the OBDII code mean on a Toyota Tundra?
P0441 is one of the more common OBD-II trouble codes with the Toyota Tundra. It’s a generic powertrain code, which means regardless of what auto manufacturer built the vehicle, it’ll have the same meaning. P0441 indicates that there is an issue with the Evaporative Emissions System. It’ll often appear with P0455.
What are the problems with Toyota Tundra 4.7 engine?
The main problem associated with it is the secondary air pump failure. The valve gets stuck shut or open during cold temps and throws a code. Since this feature is only used to control emissions under a cold start, it isn’t necessary and can be bypassed with a simple module if that problem comes up.