P2441 toyota 4runner. If you have a toyota tacoma p2441 and p2445 trouble code chances are youve got a broken cracked or leaking vacuum line. Heres some information on what the codes mean. P2441 is an obd ii code for the engine control module ecm detecting no exhaust pulse while monitoring the exhaust pressure sensor when the bank 1 switching valve is commanded to be open with the engine running.
It often appears with other codes such as p0420 p0441 or p0440. P0446 indicates that there is a fault in the evaporative emission control system. The 4runners ecm will trigger this code when it detects that the vacuum level in the purge system is not within the proper specifications.
This trouble code references a number that is given to you when you plug your 4runner into a obdii scanner. In a few cases there may be other symptoms. It is a problem with all of the vvti 47 toyota vehicles tundra 4runner lc sequoia lx 470 etc the pump went out on my sequoia and i did some research.
I have an 06 cruiser and 05 sequoia both of which are known to have the secondary air pump or secondary air system essentially a smog pump go out. Find a new 4runner at a toyota dealership near you or build price your own toyota 4runner online today. Toyota tacoma p2441 that indicates the computer has detected a secondary air injection switching valve is stuck closed for bank 1.
This will signal a fault in the system. Official 2021 toyota 4runner site. A very common trouble code with the toyota 4runner is the p0446 code.
Toyota 4runner p0441 symptoms. P2441 toyota description to accelerate the activation of catalyst when warming up the engine the air injection system pumps the secondary air to the exhaust manifold by pressure.
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