Feb 17, 2017 · The P0444 code relates to the DME detecting an incorrect voltage drop across the purge valve. For some reason it is very particular, so make sure all the connections are tight and clean, you have an OE or genuine BMW purge valve, etc.

Dec 8, 2024 · Search for P0444 on here and read up for the details, causes, fixes. Notice the P0444 code description states the circuit is open, meaning resistance too high. Measure the resistance of both MAFs and report back. Also check connector pins for clean and tight, wiring for damage, etc. It’s easy to test the evap purge valve with a multimeter, 12V power supply, and vacuum pump with gauge.

Jan 27, 2018 · P0444 is an electrical related code based on my experience. I have had this on 2 of my BMW's, my E46 and my E70 and seen it on plenty of others. After carefully studying the problem and doing a lot of research, I have come to a conclusions that this problem tends to show up for a few reasons. 1. The DME measures the coil current demand/loop current or coil resistance and the tolerance window ...

Dec 13, 2015 · Hi, my 2002 BMW 325XI has P0444 Evaporative Emission System Purge Control Valve open Circuit. I just replaced a new Purge Control Valve (the old one is bad), but the code still come back.

Jan 2, 2006 · just scanned CEL codes got 2 of them 1. P1620 Powertrain: Low Coolant Circuit and 2. P0444 Powertrain: Evaporative Emission Control System Purge Control Valve Circuit Open anyone know how to fix these?

Apr 10, 2016 · Here is the timeline: About 100 miles after buying the car codes p0430 and p0444 popped up. At this point I cleared the codes. After about another hundred miles, just p0444 came up. I cleaned the gas cap and cleared the code, which would come back every other start up after clearing it - I tried...

Jun 16, 2013 · Auto Zone's code is P2240 and P0171 P0174, my own ODB reads P0444 P0171 and P0174. I changed Fuel Filter, disa valve, crank case vent kit, upper and lower intake boots, and etc. Pretty much everything relate to the vacuum leak.

Sep 8, 2019 · Trying to pass smog (92,2000 miles) for my 2202 330i convertible in Los Angles. P0444 code came up. I took the evaporations purge valve out and it seems...

Dec 2, 2017 · I installed a brand new OEM gas cap and same for the purge control valve but I am still getting a P0444 code! Does anyone else know what this could be caused by? TIA!! 4/7/2018 UPDATE: I had 2 of the connectors switched- oil pressure & evap.

Jul 16, 2014 · Data from OBDII is P0444 - Evaporative Emission Purge Control Valve Circuit Open and the freeze frame data is: Fuel system status: Open-loop due to insufficient engine temperature