GSXRunner
Proven Member
- 160
- 38
- Feb 24, 2013
-
Queens,
New York
Just thought I'd pass along this fix that will save many people time and money.
P0443 means that the ECU doesn't see a purge solenoid installed. It is located to the left of the brake fluid canister and is there to relieve pressure in the fuel tank when you start your car; and it is when you start your car that it is activated and that is when it will throw that code if it doesn't see the solenoid.
Mine went bad, terminals were corroded causing the P0443 code. Since inspection is due on my car, I had to find a quick fix. Replacing the solenoid would fix the problem, but you don't need to do that. Just bridge the two terminals on the connector with a 2.7K resistor, 1/4 or even 1/8 watt will do and you're good to go; no more codes
.
The ECU will see a small load and think there's a solenoid there. 2.7K will draw less than 5 milliamps; which is less than the actual solenoid, but enough to pass as a solenoid. You can use a smaller resistor, but don't go below 1K as you might burn out the ECU's driving transistor. 2.7K works for me, but if I ever get the code again, I'll use a smaller resistor.
P0443 means that the ECU doesn't see a purge solenoid installed. It is located to the left of the brake fluid canister and is there to relieve pressure in the fuel tank when you start your car; and it is when you start your car that it is activated and that is when it will throw that code if it doesn't see the solenoid.
Mine went bad, terminals were corroded causing the P0443 code. Since inspection is due on my car, I had to find a quick fix. Replacing the solenoid would fix the problem, but you don't need to do that. Just bridge the two terminals on the connector with a 2.7K resistor, 1/4 or even 1/8 watt will do and you're good to go; no more codes
. The ECU will see a small load and think there's a solenoid there. 2.7K will draw less than 5 milliamps; which is less than the actual solenoid, but enough to pass as a solenoid. You can use a smaller resistor, but don't go below 1K as you might burn out the ECU's driving transistor. 2.7K works for me, but if I ever get the code again, I'll use a smaller resistor.
