Question about 1997 Nissan Maxima

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P1447 and knock sensor code both knock sensor and evap purge valve are in perfect working order and vacuum hose are correct routing and no crack but engine light is still on please help cant pass inspection for 4 mounts

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If your map sensor is bad, it will also cause p1447 to illuminate.
You can check the air passage continuity on the map sensor/solenoid valve.
Provide the switch with 12 volts, please note which pin is positive and negative.
p1447 and knock sensor code - txtexan_0.gif


Check air passage continuity between A-B, A-C. My manual shows that if there is no continuity between A-B but there is between A-C then your map sensor/solenoid valve is bad and should be replaced.
It is listed as a cause for the p1447 light.
I hope this helps

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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1 Answer

What hoses do I check for check engine light code Po455


DTC P0455 Evaporative Emissions (EVAP) System Large Leak
The control module tests the evaporative emission (EVAP) system for a large leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the EVAP system vacuum level. When the conditions for running are met, the control module commands the EVAP canister purge solenoid valve OPEN and the EVAP canister vent solenoid valve CLOSED . This allows engine vacuum to enter the EVAP system. At a calibrated time, or vacuum level, the control module commands the EVAP canister purge solenoid valve closed, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum level. If the system is unable to achieve the calibrated vacuum level, or the vacuum level decreases too rapidly, this DTC sets.
There's more to it that just checking a hose ! Smoke testing the EVAP system is the best way to find leaks .
  1. Inspect the Evaporative Emission (EVAP) System for the following conditions:
  2. ?€¢
    A loose, missing, or damaged service port schrader valve


    ?€¢
    A loose, incorrect, missing, or damaged fuel fill cap


    ?€¢
    A damaged EVAP canister purge solenoid valve

  3. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Inspect the EVAP system for the following conditions:
?€¢
Any disconnected, improperly routed, kinked, or damaged EVAP pipes and hoses


?€¢
A damaged EVAP canister vent solenoid valve or EVAP canister

Your best bet is take your vehicle to a ASE certified repair shop or the dealer , where they have the tools an knowledge .

Apr 16, 2016 | 2005 Chevrolet Chevrolet Classic Base

1 Answer

What does code p1447 mean ...???


The code says "evap purge flow monitor fault"
Possible causes include ...
- EVAP canister purge volume control solenoid valve stuck closed.
- EVAP control system pressure sensor and its circuit.
- Loose, disconnected, or improper connection of rubber tube.
- Blocked rubber tube.
- Blocked or bent rubber tube to MAP/BARO switch solenoid valve.
- Cracked EVAP canister.
- EVAP canister purge volume control solenoid valve.
- Closed Throttle Position Switch.
- Improper connection of one-way valve.
- Blocked purge port.
- EVAP canister vent control valve.


This is a "jackpot" code. It points to so many possible causes as to be almost useless.

Feb 15, 2013 | 1996 Nissan Maxima

1 Answer

2004 BMW 325i I have a code p1447 do you know were to fix?


Fault codes do not have a single reason for being set, there are multiple reasons. here is the info you need to know about this code.
P1447 - Evaporative Emission Control System Purge Flow Monitor
Possible causes- EVAP canister purge volume control solenoid valve stuck closed
- EVAP control system pressure sensor and the circuit
- Loose, disconnected or improper connection of rubber tube
- Blocked rubber tube
- Cracked EVAP canister
- EVAP canister purge volume control solenoid valve circuit
- Closed throttle position switch
- Blocked purge port
- Closed throttle position switch

Jun 13, 2012 | Cars & Trucks

2 Answers

My 1995 subaru legacy lsi cuts out when I rev the engine around 1 rpm. Plus the check engine light is on. I took it to the dealership and they couldn't fix it, but they got a code from the check engine...


code p 0441 refers to evaporative emission (EVAP) system --incorrect flow detected ==== causes --- hose connection/s--- intake leak---EVAP canister purge valve replace the purge valve

May 21, 2017 | 1995 Subaru Legacy

2 Answers

I have a code P1447 Evap purge flow monitor on my 97 Pathfinder. What is and how do I correct this issue?


P1447 - Evaporative Emission (EVAP) Control System, Purge Flow Monitor
In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions. Purge volume is related to air intake volume. Under normal purge conditions (non-closed throttle), the EVAP canister purge volume control solenoid valve is open to admit purge flow. Purge flow exposes the EVAP control system pressure sensor to intake manifold vacuum.

Under normal conditions (non-closed throttle), sensor output voltage indicates if pressure drop and purge flow are adequate. If not, a fault is determined. Malfunction is detected when EVAP control system does not operate properly, EVAP control system has a leak between intake manifold and EVAP control system pressure sensor.

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes
* EVAP canister purge volume control solenoid valve stuck closed
* EVAP control system pressure sensor and the circuit
* Loose, disconnected or improper connection of rubber tube
* Blocked rubber tube
* Cracked EVAP canister
* EVAP canister purge volume control solenoid valve circuit
* Closed throttle position switch
* Blocked purge port
* Closed throttle position switch


Test is and send us your updated.

Jan 14, 2011 | 1998 Nissan Pathfinder

1 Answer

2004 niisan infinty g35x code p2135


NISSAN OBDII DTC

P1105 Manifold Absolute Pressure/Barometric Pressure Switch Solenoid Circuit

P1110 Intake Valve Timing Control Circuit (Bank 1)

P1120 Secondary Throttle Position Sensor Circuit

P1125 Tandem Throttle Position Sensor Circuit

P1132 Intake Valve Timing Control Position Sensor (Bank 1)

P1135 Intake Valve Timing Control Circuit (Bank 2)

P1137 Intake Valve Timing Control Position Sensor (Bank 2)

P1140 Intake Valve Timing Control Position Sensor (Bank 1)

P1145 Intake Valve Timing Control Position Sensor (Bank 2)

P1148 Closed Loop Fault Detected (Bank 1)

P1168 Closed Loop Fault Detected (Bank 2)

P1210 Traction Control System Signal Fault

P1220 Fuel Pump Control Module Fault

P1320 Ignition Control Signal Fault

P1335 Crankshaft Position Sensor Circuit

P1336 Crankshaft Position Sensor circuit

P1400 EGR/EVAP Control Solenoid Circuit

P1401 EGR Temperature Sensor Circuit

P1402 EGR System Fault Detected

P1440 EVAP Canister System Leak Detected

P1441 EVAP Vacuum Cut Valve Bypass Valve Circuit

P1443 EVAP Canister Control Vacuum Switch Circuit

P1444 EVAP Canister Purge Volume Control Valve Circuit

P1445 EVAP Purge Volume Control Valve

P1446 EVAP Canister Vent Valve Circuit

P1447 EVAP Canister Purge Flow/Volume Control Valve Circuit

P1448 EVAP Vent Control Valve Circuit

P1490 EVAP Vent Control Valve/Bypass Valve Circuit

P1491 EVAP Vacuum Cut Valve/Bypass Valve Circuit

P1492 EVAP Canister Purge Control Valve/Solenoid Valve

P1605 Transmission Control Module A/T Diagnosis Communication Line Fault

P1705 Throttle Position Switch Circuit

P1706 Park Neutral Position Switch Circuit

P1760 Overrun Clutch Solenoid Valve Circuit
P1900 Cooling Fan Control Circuit
sorry but your code reader is not reading manufacturers codes ,if an american market vehicle then you should be able to read them but if this is a europeon model then how did you manage to get this code??

P0235....Turbo/Super Charger Boost Sensor 'A' Circuit

this is a generic code if its any help

Nov 02, 2010 | 2004 Infiniti G35 Sport Coupe

2 Answers

P 2138 code with service engine soon light on?


Accelerator Pedal Position Error.

P2138 - Accelerator Pedal Position Sensor Circuit Range / Performance Problem

Clear the code - if it recurs, change the sensor.


Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Sep 15, 2010 | 2006 Nissan Altima

2 Answers

P1443 1. failed evap pressure sensor 2. blocked hose between purge valve and ftp sensor 3. evap purge valve stuck closed what would be the best guess1996 ford thunder bird v8


trouble shoot P1443 99 ford explorer 4 liter 6 . failed evap pressure sensor. blocked hose between purge valve &fip sensor. evap purge valve stuck closed. where are these sensors and whats the fix?

Jul 31, 2010 | 1996 Ford Thunderbird LX

2 Answers

2003 chevy cavalier p440 code


This indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system consists of alot of parts, including the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicles fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engin

heres some things you can try
Remove and reinstall

the gas cap, clear the code, and drive for a day and see if the codes come back.
Inspect the EVAP system for cuts/holes in tubes/hoses
Inspect for damaged or disconnected hoses around the Evap purge solenoid
Check and/or replace the sensor
Check and/or replace the purge valve
Have a professional use a smoke machine to detect leaks

Apr 06, 2010 | 2003 Chevrolet Cavalier

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