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What does evap service port do - 2006 Nissan Titan

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I have a 1999 oldsmobile aurora, northstar motor. I was told I need to replace my purge valve solenoid. Can someone please tell me where it is located?


It's under the plastic cover on top of the engine . Remove the intake manifold top cover.
Remove the solenoid quick-connect hose (3) at the EVAP canister purge solenoid (4). Remove the solenoid quick-connect hose (7) from the EVAP canister purge solenoid (4) to the enhanced EVAP service port (8). Remove the electrical connector (6) at the EVAP canister purge solenoid. Remove the EVAP canister purge (2) solenoid valve bolt. Remove the EVAP canister purge solenoid tab from the bracket (5).

Aug 06, 2015 | 1999 Oldsmobile Aurora

1 Answer

If the Evap service port cap is left off will it cause a service engine light to come on or cause any power problems? on a Nissan versa. thanks


if it leaks can cause code for an evap leak as to power problems not usually [would code as if you left your gas cap off---have car scanned for code most auto stores offer the scan for free

Aug 15, 2013 | Cars & Trucks

1 Answer

Evap service port


no it should be clean. there should be a green cap on top.

Jul 05, 2013 | Nissan Cars & Trucks

1 Answer

EVAP Service Port


its supostu be close if you mean the green cap on service port for evap sistem

Nov 11, 2012 | Cars & Trucks

1 Answer

How do you repair po446 trouble code on a 2002 pont grand am gt 3.4 l



Trouble Code: P0446

EVAP Vent System Performance
Possible Causes:


EVAP vent fresh air hose is clogged, kinked or restricted. EVAP Vent solenoid is contaminated, damaged or has failed. EVAP Canister plugged or severely restricted . Fuel Cap or EVAP Service Port leaking. Fuel vapor lines or purge lines damaged or leaking . FTP sensor is out-of-calibration, damaged or "skewed" . PCM has failed . TSB 61-65-31A contains a repair procedure for this code .Now which one is it.

Aug 19, 2012 | 2000 Pontiac Grand Am GT

1 Answer

WHAT IS EVAP SERVICE PORT N FORD TAURUS


Its the port where you check evap pressures..You have to have 10000 dollar machine to check it there..It has a green cap on the end of it..Its tied in with the evaporative lines..What problem are you having??There is other ways of testing the evap components..The machine delivers a smoke through the system to determine leaks..It also does other diagnsitic test..But you can also check the components,,but it takes a little longer..

Sep 29, 2011 | 2000 Ford Taurus

3 Answers

What is evaporation control system malfuction mean? The code is P0440


Hi, the computer has sensed through the fuel tank pressure sensor that the vapor cannister is not evacuating properly. I have pasted details on the EVAP system below. Check the purge valve on top of the engine as shown below (#1 in picture). Make sure the electrical connector is on the valve, that the wires are not damaged, and check the hose for kinks. If all looks good, I recommend you replace the valve. A new valve is $23 at autozone. Please let me know if you have more questions and thanks for using FixYa.

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Description & Operation
EVAP Canister
The canister is filled with carbon pellets used to absorb and store fuel vapors. Fuel vapor is stored in the canister until the control module determines that the vapor can be consumed in the normal combustion process.
EVAP Control System
The evaporative emission (EVAP) control system limits fuel vapors from escaping into the atmosphere. Fuel tank vapors are allowed to move from the fuel tank, due to pressure in the tank, through the vapor pipe, into the EVAP canister. Carbon in the canister absorbs and stores the fuel vapors. Excess pressure is vented through the vent line and EVAP vent solenoid to atmosphere.
The EVAP canister stores the fuel vapors until the engine is able to use them. At an appropriate time, the control module will command the EVAP purge solenoid ON, open, allowing engine vacuum to be applied to the EVAP canister. With the EVAP vent solenoid OFF, open, fresh air will be drawn through the solenoid and vent line to the EVAP canister. Fresh air is drawn through the canister, pulling fuel vapors from the carbon.
The air/fuel vapor mixture continues through the EVAP purge pipe and EVAP purge solenoid into the intake manifold to be consumed during normal combustion. The control module uses several tests to determine if the EVAP system is leaking.
The EVAP system consists of the following components:
EVAP Purge Solenoid
The EVAP purge solenoid controls the flow of vapors from the EVAP system to the intake manifold. This normally closed solenoid is pulse width modulated (PWM) by the control module to precisely control the flow of fuel vapor to the engine. The solenoid will also be opened during some portions of the EVAP testing, allowing engine vacuum to enter the EVAP system.
EVAP Service Port
The EVAP service port is located in the EVAP purge pipe between the EVAP purge solenoid and the EVAP canister. The service port is identified by a green colored cap.
EVAP Vent Solenoid
The EVAP vent solenoid controls fresh airflow into the EVAP canister. The solenoid is normally open. The control module will command the solenoid closed during some EVAP tests, allowing the system to be tested for leaks.
Fuel Tank Pressure Sensor
The FTP sensor measures the difference between the pressure or vacuum in the fuel tank and outside air pressure. The control module provides a 5-volt reference and a ground to the FTP sensor. The FTP sensor provides a signal voltage back to the control module that can vary between 0.1-4.9 volts. As FTP increases, FTP sensor voltage decreases, high pressure = low voltage. As FTP decreases, FTP voltage increases, low pressure or vacuum = high voltage.

Feb 10, 2011 | 2002 Chevrolet TrailBlazer

2 Answers

I need an answer for engine code P1457 auxiliary emission control


CODE P1457 EVAP SYSTEM LEAK DETECTED CANISTER AREA 5 POSSIBLE CAUSES 1- EVAP CANISTER IS LEAKING DAMAGED OR FULL OF WATER. 2- EVAP CANISTER PURGE LINE IS LOOSE DAMAGED OR BLOCKED. 3 - EVAP TWO WAY VALVE OR ORVR VENT SHUT VALVE IS DAMAGED. 4 - EVAP FUEL TANK VAPOR CONTROL VALVE IS DAMAGED OR HAS FAILED. 5 - PCM HAS FAILED.

Sep 06, 2010 | 1998 Honda Accord

1 Answer

Were is the evap located on 2001 Chevy s-10 blazer with v6


The EVAP service port is located in the EVAP purge pipe between the EVAP purge solenoid and the EVAP canister. The service port is identified by a green colored cap.

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Fig. Showing location of (1) Evaporative Emissions (EVAP) Canister Purge Solenoid and (2) Exhaust Gas Recirculation (EGR) Valve


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Fig. EVAP Purge valve solenoid (3) mounting bolt (2) and insulator (1) on 2000-2005 4.8L, 5.3L, 6.0L Engines

Hope this help (remember rated the post).

Mar 26, 2010 | 2001 Chevrolet Blazer

1 Answer

1999 FORD TAURUS EVAP SERVICE PORT


The AC charge port is the on low pressure AC line (large line from compressor) near the firewall. Take care not to overcharge, there are other causes of no cooling like a stuck AC compressor cycling switch or a air temp control blend door motor malfunction, what is the issue u have? does the AC compressor run?

Mar 11, 2009 | 1997 Ford Taurus

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