Question about 1996 Toyota Avalon

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Pcv valve and spark plug problems

I can't locate the pcv valve, or open the cover to get to the spark plugs and wires...where is the pcv valve located...and what tool do I need to open the cover for the wires?

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  • anesthesia Jun 22, 2008

    Ok...I opened, up the cover, ignore that part. I still can't find the pcv valve, and now I didnt label the wires properly. I have the part that connects to the spark plugs in properly, but the opposite ends aren't in right. What order are they supposed to be in?

  • Anonymous Mar 13, 2014

    pvc valve goes from valve cover to

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  • Master
  • 1,010 Answers

Most are inserted into a rubber grommet in the rocker cover.

Posted on Jun 24, 2008

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Where is my pcv valve on my 2000 ford escort


Check for vacuum leaks. PCV has hose from top of valve cover and runs down underneath by exhaust to the valve. Just follow the hose. Possible bad idle air controller (IAC). You can also unplug the mass air flow sensor and see if it runs any better. (It will set a code but you can clear it)

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1992 honda accord 2.2----- 4 cylinder engine-how do you change valve cover gasket?


To replace the valve cover gasket, you have to:
1) Remove spark plug wires
2) Remove spark plugs
3) Remove ground cable, and all pcv lines and hoses
4) remove 4,10mm nuts holding the valve cover on
5) remove valvecover, and replace old gasket

I hope this helps
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Jun 16, 2011 | 1992 Honda Accord

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How and what to do the tuning on 2003 toyota corolla s?


Plugs, air filter, pcv Valve (located in valve cover) this valve is really important relieve buildup pressure, a clog pcv can create oil leaks, an open pcv can create a hard to start condition. Clean Throttle body and clean battery terminals. Note, toyota uses Japanese plugs DEnso, etc, when people go to autozone they love to give them bosh plug after some months of operation the plugs fail to perform properly giving low percentage missfire and creating fuel economy problems.

Dec 24, 2010 | 2003 Toyota Corolla

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Where would the pvc value be on a 300 chrysler 2006? also where would the spark plugs be located?


Positive Crankcase Ventilation (PVC) Valve Removal & Installation 5.7L Engine To Remove:
    1.The PCV valve is mounted into the top/right side of the intake manifold.

    2.The PCV valve is sealed to the intake manifold with two O-rings.

    3.Free the PCV valve by rotating counter-clockwise 90 degrees until the locating tabs align with the openings on the manifold.

    4.Remove the PCV valve by pulling straight up from intake manifold and clearing the tabs.

    5.Check the condition of two valve O-rings.
To Install:
  1. Clean the PCV valve opening on the intake manifold.
  2. Inspect the PCV valve O-rings. Replace if suspect.
  3. Apply engine oil to the two O-rings.
  4. Place the PCV valve into intake manifold.
  5. Rotate the valve 90 degrees clockwise for installation.
6.1L Engine To Remove:
  1. The PCV valve is threaded into the right-front corner of the intake manifold.
  2. Remove the rubber hose from the PCV valve.
  3. Unscrew the PCV valve from the intake manifold.
To Install:
  1. Clean the PCV valve opening on the intake manifold.
  2. Check the condition of the PCV valve O-ring. Replace if suspect.
  3. Check the condition of the PCV valve threads and clean if necessary.
  4. Apply engine oil to the O-ring.
  5. Install the PCV valve into intake manifold.
  6. Install the rubber hose to the PCV valve.
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The spark plugs should lead to the coil pack via a spark plug wire but may be hidden by a plastic cover.

The following details the ignition coil changing on the Chrysler 300:

2.7L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold.
  3. Use compressed air to clear the area around the ignition coil and spark plug.
  4. Disconnect the electrical connector from the ignition coil.
  5. Remove the two fasteners securing the ignition coil.
  6. Remove the ignition coil.
To Install:
  1. Install the ignition coil.
  2. Tighten the fasteners to 55 in-lb (6.2 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Install the intake manifold.
  5. Connect the negative battery cable.
3.5L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold.
  3. Use compressed air to clear the area around the ignition coil and spark plug.
  4. Disconnect the electrical connector from the ignition coil. NOTE: Loosen the ignition coil fasteners by alternating back and forth. Do not lose the spacers under the coil when loosening the fasteners.
  5. Remove the two fasteners securing the ignition coil.
  6. Remove the ignition coil.
To Install:
NOTE: Tighten the ignition coil fasteners by alternating back and forth. Do not lose the spacers under the coil when installing the coil.
  1. Install the ignition coil.
  2. Tighten the fasteners to 60 in-lb (6.7 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Install the intake manifold.
  5. Connect the negative battery cable.
5.7L Engine (2005) To Remove:
NOTE: Carefully note the position of each spark plug cable before disconnecting them so they can be installed in their original positions to prevent misfire.
NOTE: The throttle body intake air duct or intake air box may need to be removed to gain access to certain ignition coils.
  1. Disconnect the electrical connector from the ignition coil.
  2. Remove the secondary ignition cable from the coil.
  3. Use compressed air to clear the area around the ignition coil.
  4. Remove the two fasteners securing the ignition coil. Bolts are retained to coil.
  5. Remove the ignition coil. Pull with a slight twisting motion to help release the boot seal with the spark plugs.
To Install:
NOTE: Apply a light film of dielectric grease to the inside of the coil boots before installation.
  1. Clean area around spark plug and coil mounting area with compressed air.
  2. Install the ignition coil.
  3. Tighten the fasteners to 105 in-lb (12 Nm).
  4. Connect the electrical connector to the ignition coil.
  5. Connect the secondary ignition cable to the coil.
  6. Install the air duct or air box if removed.
Ignition coil mounting bolts (5.7L & 6.1L engines) chry-02-57-263.gif

5.7L (2006) & 6.1L Engine To Remove:
NOTE: Each ignition coil, mounted on the valve cover, fires two spark plugs at each cylinder.
  1. Disconnect the negative battery cable.
  2. Use compressed air to clear the area around the ignition coil and spark plug.
  3. Disconnect the electrical connector from the ignition coil.
  4. Remove the two fasteners securing the ignition coil.
  5. Remove the ignition coil. Pull with a slight twisting motion to help release the boot seal with the spark plugs.
To Install:
NOTE: Apply a light film of dielectric grease to the inside of the coil boots before installation.
  1. Install the ignition coil.
  2. Tighten the fasteners to 105 in-lb (12 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Connect the negative battery cable.
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Sep 24, 2010 | 2005 Chrysler 300

1 Answer

How to change out valve cover gaskets on a 1989 Lincoln Town Car


This is All you need for this Repair, ALSO Be Sure ALL GASKET SURFACES ARE VERY CLEAN. This Engine Requires MORE than MOST ALL Engines do for this Repair.

REMOVAL

  1. To remove a valve rocker arm cover from the RH cylinder head, disconnect PCV closure tube from oil fill stand pipe at rocker cover.
  2. Remove the Thermactor bypass valve and air supply hoses as necessary to provide clearance.
  3. Disconnect the spark plug wires from the spark plugs using Spark Plug Wire Remover T74P-6666-A or equivalent. Do not pull on wire. Remove the wires and bracket assembly from the rocker arm cover attaching stud and position the wires out of the way. ALSO MARK THEM AS TO WHERE THEY CAME FROM !!!
  4. Remove upper intake manifold.
  5. Remove attaching bolts and remove the cover.
INSTALLATION

  1. Clean the valve rocker arm cover(s) and the cylinder head gasket surface(s). Position a new service valve rocker cover gasket.
  2. Position the cover(s) on the cylinder head(s). The cover is tightened in two steps. Tighten the bolts to 14-18 N.m (10-13 lb-ft). Two minutes later, tighten the bolts to the same specification.
  3. Install the crankcase ventilation tube in the RH cover.
  4. Install upper intake manifold.
  5. Install the spark plug wires and bracket assembly on the rocker arm cover attaching stud. Connect the spark plug wires. Install the air intake duct assembly.
  6. Install the Thermactor bypass valve and air supply hoses (if required).

Oct 03, 2009 | 1989 Lincoln Town Car

1 Answer

98 Volvo V70 Turbo engine oil leak


It may be the gromet for the PCV valve or it could be the spark plug rubber seal located in the valve cover if it is the type of engine that has the wires and spark plugs that go down through the valve cover, if this is the case buy a valve cover gasket with the rubber gromets that are located around the base of the hole where spark plugs fit through and install.

Jul 08, 2009 | 1998 Volvo V70

1 Answer

Pcv location on 2002 s10


it is a tube connected to the valve cover. So there really isn't a valve.

May 15, 2009 | 2002 Chevrolet S-10

4 Answers

How to replace a PCV valve on my 1997 dodge neon? I travel over 60 miles a day and when at stop lights i have a light rough idle. Just replaced the plugs and wires 15k miles ago and the air filter 500...


Once you have the new PCV valve locate the old one on your engine. It will sit on the middle of one of your valve covers (most likely passenger side) and will have a line that connects to the top of the valve. Simply pull the old one out and put the new one in snapping that line on the new one. Should only take about a minute to do. Hope this helps, let me know if it does.

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1 Answer

86 toyota 4runner idles low and has half the power


Ok, there are four problem spots that i recommend inspecting the first would be the air filter.

The air filter may be clogged or dirty. this can decrease the power out put and it can also affect the idle as well. the next check point would be inspecting the spark plugs. make sue the plugs are correctly gapped and are not fouled in anyway. if they are fouled or incorrectly gapped, this will cause the symptoms you are experiencing at this time. Another check point will be the wire set(spark plug wires). make sure the wires are in good condition. remove all wires from the plugs and look inside the wire head t inspect the contacts. they should be nice and clean.if the wires are worn, replace them accordingly. the final check point will be checking the PCV valve. this valve is located Under hood, center, upper engine area, top of engine, mounted in valve cover. the testing procedure to be preformed on this specific device is stated below.


PCV VALVE TESTING PROCEDURE---

# Check the ventilation hoses and lines for leaks or clogging. Clean or replace as necessary.

# Locate the PCV valve in the cylinder head cover and remove it by pulling it upward.

# Blow into the crankcase end of the valve. There should be free passage of air through the valve.

# Blow into the intake manifold end of the valve. There should be little or no passage of air through the valve.

# If the PCV valve failed either of the preceding two checks, it will require replacement.


You will find the problem for you erratic or low idle in the areas above.

Please rate and god bless:)

Apr 27, 2009 | 1994 Toyota Pickup

1 Answer

Changing sparks plugs/pcv valve location


Remove the upper intake and below the upper intake your see where your plug wires go into the valve cover. Remove the plugs and replace them.

Jul 01, 2008 | 2000 Nissan Maxima

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