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Check enging is on---OBD code is PO171 & p1443---how do i fixed this problem

The most likely cause of these two codes tripping together is a vacuum leak associated with the canister purge system. This system collects the vented gasoline vapor from the fuel tank and when the engine is running purges the canister into the manifold.

The P0171 is an indication that the engine is running lean and the P1443 is a fault associated with the Purge Control Valve Solenoid trouble code control valve.

Inspect under the hood for a disconnect vacuum line.

The photos are examples of the vacuum circuit connect via hoses. Listen for a vacuum leak when the engine is running. It would be a whistle sound. Also if work has been done recently look in the area that the work was done under the hood.


26150454-uk2ysmhepcorsq0r4fy0hyob-4-2.jpg Hope this helps?

Apr 03, 2016 | Cars & Trucks

1 Answer

? 2002 Forester with a P1443 trouble code

Being real careful and solenoid removed check that the ports are in position (flow or no flow) with some small wire connected to the cars battery you can place the solenoid in its opposite state checking ports again for change. Do this several times the results should be the same. remember the change this state several times and it only takes two failures to turn on the light.

May 01, 2014 | 2002 Subaru Forester

1 Answer

P1443,p0401 and po420 failed emission

P1443 is an EVAP code which means the purge control solenoid.P0401 is an EGR valve and code p0420 is a catalytic converter.

Mar 28, 2014 | Cars & Trucks

1 Answer

98 mustang trouble code p1443

This is a code for the evaporative system which includes a black plastic container in the front of the engine comopartment that has hoses going to the tank and the throtle body. When it isn't running the fumes from the tank accumulate in this charcoal filled container and when the engine starts, they are burned. Something is wrong with the vacuum or electric solonoid on the top of this container.

Apr 05, 2013 | 1998 Ford Mustang

1 Answer

My 2004 745li. Shakes while car runs and my codes are p1443 and p300. Somebody please tell me something

Your best to use Google & do your research on internet
for your vehicle description & put in OBD2 Code P1443

Forget the 300 that is just random misfires & most likely
on start up & you don't diagnose that one

Work on the P1443 it will be vehicle specific

Jan 31, 2013 | Cars & Trucks

2 Answers

Check engine lite came on code is p1443 what does this code mean

P1443 Evaporative Emission Control System Control Valve The Evaporative Emission Control System monitors the fuel vapor flow between the engine intake manifold and the EVAP canister. The system failure occurs when a leak or blockage between the intake manifold, the EVAP canister purge valve and the EVAP canister is detected by the PCM.

Code P1443 Possible Causes:

- Pinched, blocked or plugged fuel vapor tubes/hoses (except between fuel tank and EVAP canister)

- Damaged EVAP canister

- Disconnected, cracked or cut fuel vapor tubes/hoses (except between fuel tank and EVAP canister)

- Damaged EVAP canister purge valve

May 04, 2011 | 1997 Ford Escort

2 Answers

I have a 97 EscortLX wagon with trouble code p1443. Whats it mean &how can I fix it?


I know what the problem is. I had the same thing and replaced the EECS Purge Valve and it fixed the problem. The valve is only available from Ford. I have not had the problem come back since. I have also heard that you should check the hoses to make sure there are no cracks in them on that line. The valve is located in a tray near the gas tank next to the evaporative emissions carbon canister, the canister is black plastic and has hoses going to it

Nov 19, 2010 | 1997 Ford Escort

2 Answers

P1443 computer code what is it on my 1996 ford thunderbird

P1443 = A problem with the EVAP purge flow system
Continuous Memory Diagnostic Trouble Code (DTC) P1443 indicates an incorrect Evaporative System Purge Control Valve flow.

Possible causes:
-- Obstructed, open or cracked hoses between EVAP canister purge valve and intake manifold.
-- Damaged EVAP canister purge valve.
-- Damaged PF sensor.

Hope help with this.

Apr 25, 2010 | 1996 Ford Thunderbird LX

1 Answer

What is check engine code p1443 on a MAZDA 1996 B2300 TRUCK

Diagnostic Trouble Code (DTC) P1443 indicates a failure in the EVAP canister purge valve circuit. The Evaporative Emissions (EVAP) Canister Purge (CP) valve controls the flow of vapors from the fuel vapor storage canister to the intake manifold during various engine operating modes. It may need nothing more than a good cleaning, vacuum hose connected or that is leaking, or may need more. I suggest you seek out the services of a good mechanic. Do not just throw parts at this. The code does not mean that any part needs replacing. It just means the EVAP system is being effected.

Apr 21, 2010 | Mazda B2300 Cars & Trucks

3 Answers

Code for emmissions P1443 it says that it is low or no flow

check the carbon cannister fresh air vent, if it is ok replace the purge control solenoid.

Feb 22, 2009 | 1997 Mercury Cougar XR7

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