Why does my OBD have a trouble code of p0443?
Why does my OBD have a trouble code of p0443?
When the solenoid is activated, the ECM should see the ground voltage pulled low, close to zero. If the ECM doesn’t see these expected voltages, or senses an open in the circuit, this code is set. Note: This DTC is similar to P0444 and P0445. P0443 trouble code symptoms could be just an malfunction indicator lamp (MIL) illumination.
What causes a p0443 purge control circuit?
To cause a P0443, there has to be a problem with the purge control CIRCUIT , not necessarily the valve. Usually they are a unit housing the valve and the solenoid as an assembly. Or it could be comprised of a separate solenoid with vacuum lines to a purge valve. That said, it could be any of the following:
What is the po443 code on a 2004 Caravan?
2004 Caravan has a PO443 code. I have also seen 441 and 446 come up at times. It does not have 12 volts at either wire at the purge solenoid with the key on or running. Both wires test as being grounded.
How often does GMC Sierra set p0446 code?
I have a 2002 GMC Sierra with a 4.3L Vortec and 32K miles on it. It sets the P0446 code about every 3 months or so, pretty much like clock work. I have the Haynes manual bought from Auto Zone.
What does the p0443 Ford engine code mean?
P0443 FORD Meaning. The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister.
What is the OBD code for Ford DTC?
P0443 Ford. Ford P0443 OBD-II Trouble Code Definition: P0443 EVAP Canister Purge Valve Circuit Malfunction.
Why is the p0443 canister purge valve malfunction?
When the solenoid is activated, the ECM should see the ground voltage pulled low, close to zero. If the ECM doesn’t see these expected voltages, or senses an open in the circuit, this code is set. P0443 Ford trouble code symptoms could be just an malfunction indicator lamp (MIL) illumination. There may be no drivability problems at all.
2004 Caravan has a PO443 code. I have also seen 441 and 446 come up at times. It does not have 12 volts at either wire at the purge solenoid with the key on or running. Both wires test as being grounded.
