Question about 1995 Ford Ranger Supercab

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Check Engine Light

Hi, I have a 1995 Ford Ranger truck the check engine is on and the code read po443.We check the purge valve by disconnecting power to it while the engine is running.Then connected two jumper cables from the valve to the battery, the valve moved back and forth but has the same vacuum either way.Does this mean the valve is bad,if not what else should I check.

Thank You

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  • Anonymous Nov 03, 2008

    mine came on while driving home...i got no clue what it could be

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With the purge valve powered up vacuum should flow through it. the purge flow sensors can go bad on these (between engine and purge valve)

Posted on Oct 16, 2008

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1 Answer

Code po443


code p0443 refers to EVAP canister purge valve--circuit malfunction===causes --wiring---EVAP canister purge valve--ECM

code p0451 refers to EVAP pressure sensor --range/performance problem===causes --EVAP pressure sensor

code p0135 refers to heated oxygen sensor(HO2S) 1 bank 1 heater control --circuit malfunction===causes --fuse--wiring--HO2S ---ecm

basically the HO2S sensor is not stable and altering the air/fuel mixture settings for the ECM and this is not being helped by a faulty EVAP purge valve and pressure sensor.

Aug 24, 2014 | Ford F-150 Cars & Trucks

1 Answer

Failed smog test Code PO443 ck. engine light on


This is the generic definition for the code.
Your year and model may be different. Possible causes include a faulty purge control valve or the circuit back to the computer.

P0443 Description 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. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
Read more: http://engine-codes.com/p0443.html#ixzz27RdAClP2

Sep 24, 2012 | 2000 Pontiac Montana

1 Answer

1996 Ford Aerostar 3.0 L V-6 Constant check engine light ON Ran codes. Code says vacuum leak on fuel canister. I'd like to change all the vacuum lines. Don't have a good schematic. Haynes manual only...


what codes?

The vacuum lines run from the canister to the intake manifold. One is the purge hose to deliver stored fuel vapor to the intake to be burnd when engine is warm and you are crusing at part throttle. The other line is the vacuum line to operate it.

Fuel Vapor Valve, Aerostar (4.0L Engine) The evaporative emission valve (9B593) uses a small orifice, 1.83mm (0.072 inch), that allows vapors to pass into the vapor line running forward to the evaporative emissions canister (EVAP canister) (9D653). This evaporative emission valve mounts directly into the fuel tank (9002) using a fuel vapor separator seal. Fuel vapors trapped in the sealed fuel tank are vented through the orificed evaporative emission valve. The vapors from the fuel tank leave the evaporative emission valve through a single vapor line and continue to the evaporative emissions canister in the engine compartment for storage.
-----------------------------------------------------
Fuel Vapor Canister Purge Regulator Valve, Aerostar, Ranger Removal and Installation
  1. Disconnect wire harness from evaporative emission canister purge valve (EVAP canister purge valve) (9C915).
  1. Disconnect wire harness from thermistor.
  1. Disconnect evaporative emission canister purge valve assembly from fuel vapor canister and throttle body.
  1. To install, reverse removal procedure.
-----------------------------------------------------------------

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Mar 25, 2011 | Ford Aerostar Cars & Trucks

1 Answer

I have a engine lite on and the code is po443


P0443 code - Evap Purge Valve Solenoid malfunction.

Check to make sure your gas cap is on tight

Oct 23, 2010 | 1995 Nissan Maxima

3 Answers

Po443 code


po 443 bad evap purge vavle.

Oct 27, 2009 | 2000 Cadillac DeVille

2 Answers

Emission test showed error code p1443.check engine light stays on.1996 ford ranger.I looked the problem on ford emission control error and says it could be canister,purge flow sensor or purge valve.I would...


You might want to try "google images" just type in your vehicle and what your looking for. Here's an example (link) of what to look for.

http://www.fordmuscle.com/forums/attachments/all-ford-techboard/4132d1212515121-code-p1443-help-96tbird_evap.jpg

Oct 25, 2009 | 1996 Ford Ranger SuperCab

1 Answer

2002 Ford Ranger check engine light indicating misfire


Code P0301
Ignition Coil Pack
Ignition Cable
Spark plug
Clog or dirty fuel injector
Evap canister purge valve
Engine Compression
fuel pressure

you have 3 type of engine for your truck
2.3L 4 cylinder
3.0L 6 Cylinder
4.0L 6 Cylinder

need to know that type Engine

The reason why the service light come on because it is a hard code
not a soft code.

Let me know

Sep 20, 2009 | 2002 Ford Ranger Regular Cab

1 Answer

I am getting codes PO440 PO443 PO 449 on my 2000 Silverado and the SES light is on


PO440 Possible Causes:
Charcoal canister is loaded with fuel or moisture
Fuel filler cap is loose, cross-threaded, damaged or wrong part
Fuel tank, fuel filler neck or fuel sending unit 'O' ring is leaking
Fuel tank pressure sensor is damaged, disconnected or it failed
Fuel tank vapor line(s) is clogged, damaged or disconnected
Purge valve vapor line is clogged, damaged, or disconnected
Purge or vent solenoid power circuit is open (check the fuse)
PCM has failed

PO443:
Purge solenoid control circuit is open or shorted to ground
Purge solenoid control circuit is shorted to system power (B+)
Purge solenoid power circuit is open (test the ENG1 fuse)
Purge solenoid is damaged or has failed
PCM has failed

PO449:
Sames as PO443.

Hope this helps.

Mar 06, 2009 | 2000 Chevrolet Silverado 1500

1 Answer

1995 Ford Ranger ( engine light ) and stuff need help plz


if your obd2 scanner fits the connection you have obd2, obd1 connector is way differnt.

your code p1443
Control System
Canister Purge
Valve (Mechanical)
Malfunction
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.
l Pinched, blocked or
plugged fuel vapor
tubes/hoses (except
between fuel tank and
EVAP canister)
l Damaged EVAP
canister
l Disconnected, cracked
or cut fuel vapor
tubes/hoses (except
between fuel tank and
EVAP canister)
l Damaged EVAP
canister purge valve
Check for audible vacuum
noise in the engine
compartment or significant
fuel odor in the engine
compartment or near the
EVAP canister.

This link has all the codes you need.
http://rockledge.home.comcast.net/~rockledge/RangerPictureGallery/DTCs.pdf

Jul 17, 2008 | 1995 Ford Ranger Supercab

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