Question about 1991 GMC Sierra

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Need firing order on gmc sierra v6 for spark plugs

Need the spark plug firing order on v6 4.3 please help!

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  • Thomas Neubauer
    Thomas Neubauer May 11, 2010

    Need to know if it is a Vortec

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The firing order is
1-6-5-4-3-2

Posted on May 31, 2009

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Truck is not firing on 3 cylinders yet it runs.. Runs really rough, back fires, under powered.. Plugs are Wet, Firing order is correct. New Spark plug cables. Don't know that is wrong! Please Help


Check for spark at the plug ( may have coil problem).
If spark is good then do a compression check. Pressure shouldn't be less than 75% of known good cylinders.

Apr 17, 2013 | 1995 Dodge Dakota

1 Answer

If i have a 1996 chevy cavalier i have the firing order for the spark plugs but need the order for the distributor or ignition coil


Firing Orders
  • Sending Units And Sensors
  • Starting System
  • GM Cavalier/Sunfire 1995-2000 Repair Guide

    FIRING ORDERS

    Print
    See Figures 1 and 2
    To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
    If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes to reflect how your engine is wired.


    0900c1528003cbe2.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: 2.2L (VIN 4) Engine Firing Order: 1-3-4-2 Distributorless Ignition System

    Apr 16, 2013 | 1996 Chevrolet Cavalier

    1 Answer

    Spark plug wiring diagram for 05 tahoe


    Greg Bernett 2821 Solutions February 14, 2010
    You didn't post your engine size so please pick the applicable diagram:


    37926a4.gif
    1996-98 4.3L Engines Firing Order: 1-6-5-4-3-2Distributor Rotation: Clockwise


    8c292b0.gif
    1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise



    30ced3d.gif
    4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise


    de67664.gif
    4.8L, 5.3L and 6.0L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)


    bf80c63.gif
    5.0L, 5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

    Source: spark plug wiring diagram for 98 tahoe

    • avatar15.jpg
      ledsled378 2926 Solutions July 24, 2010

    ebe6e34.jpg
    01f93b7.jpg ..............................

    Source: Need diagram for spark plug wiring for 1997 Chevy

    Testimonial: "Thank you for your prompt response. Saved my husband from some distress!"
    Was this solution helpful? Yes No

    • avatar1.jpg
      Dennis Weid. 44272 Solutions September 16, 2008

    This was all I could come with, hope it helps.



    ebead53.gif

    Feb 27, 2013 | 1998 Chevrolet Tahoe

    2 Answers

    No spark to engine 1991 ford pickup


    It can be faulty or dirty spark plug itselfd.Also for reference get the fuel level checked.Is the fuel tank is empty or near to empty.
    Try cleaning the spark plugs and then see if that is helpin.On some cases the black carbon layer gets collected on the spark plugs and that causes the problem,so cleaning the plugs help.But if its not helping,then spark plug has to be replaced.Spark plugs get power from ignition coil to ignite sparks.If ignitioncoils are faulty then also there will no spark.--------------

    To troubleshot and confirm the issue,i suggest you to go through the help links provided below,check the procedure and it will help you to confirm the issue in your case.
    ----------
    Click the link below:------

    Car cranks, has spark but will not ?

    http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html


    -----------

    The spark plug firing order for car?

    http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html

    ------------

    How to Replace Spark Plugs?

    http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html


    ---------------

    How to Perform a Basic Engine Tune Up-Spark Plug and Wire Change

    http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up_01.html


    ----------

    Car has no spark?

    http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html

    ---------

    How does the spark plug wire go on the distributor cap in 1991 Mitsubishi Mighty?

    http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html

    ------------
    No spark on 2008 Chevy Avalanche?

    http://schematicsdiagram.blogspot.in/2012/04/no-spark-on-2008-chevy-avalanche.html

    -----------

    How does the spark plug wire go on the distributor cap in 1985 Pontiac sunbird?

    http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wire-go-on.html

    --------------

    Ford Plug Wires Not Coming out?

    http://whoisbyme.blogspot.in/2012/06/ford-plug-wires-not-coming-out.html

    --------

    Ford explorer has no spark?

    http://schematicsdiagram.blogspot.com/2011/12/ford-explorer-has-no-spark.html

    ----------


    Chevy impala spark plug firing order diagrams?

    http://technoanswers.blogspot.in/2012/02/chevy-impala-spark-plug-firing-order.html

    ------------

    How to gap spark plug on Chevy Impala?

    http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html

    -----------

    Spark plug Replacing for chevy impala?

    http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html

    Chevy s-10 blazer 4.3l Spark Plug Firing Order?

    http://howtobyme.blogspot.com/2011/12/chevy-s-10-blazer-43l-spark-plug-firing.html

    ----------------

    1982 dodge rampage Spark plugs Firing Order Diagram?

    http://schematicsdiagram.blogspot.com/2011/12/1982-dodge-rampage-spark-plug-firing.html

    ----------------

    2006 Suzuki Forenza Spark plug Firing Order Diagram?

    http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html


    ------------

    1983 Ford Ranger Spark plug firing order?

    http://schematicsdiagram.blogspot.com/2011/12/1983-ford-ranger-spark-plug-firing.html

    --------

    Firing Order for 1991 Lexus ES 250?

    http://schematicsdiagram.blogspot.com/2011/12/firing-order-for-1991-lexus-es-250.html

    ----------------

    Firing order for 1992 Chevrolet 5.0 engine?

    http://schematicsdiagram.blogspot.com/2011/12/firing-order-for-1992-chevrolet-50.html

    -----------

    How to identify number one spark plug on the distributor cap?

    http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html

    -----------

    How to remove rear spark plugs on 1991 Buick Regal?

    http://howtobyme.blogspot.in/2012/02/how-to-remove-rear-spark-plugs-on-1991.html


    ---------------

    These details will help.

    Thanks.

    Nov 26, 2012 | Cars & Trucks

    3 Answers

    Need firing order diagram for a 5.4 ford expedition


    Check this diagram for 2003 Ford Expedition 4WD 5.4 liter SOHC V-8 VIN "L"...

    4867d57.gif

    Hope helps (remember rated this help).

    Jul 05, 2010 | 2003 Ford Expedition

    1 Answer

    I need the diagram to put the spark plug cables


    2003 Chevrolet Malibu 3.1L SFI OHV 6cyl
    Spark Plug Wires - Removal & Installation

    3.5L Engine
    1. Before servicing the vehicle, refer to the Precautions Section.
      NOTE Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.
    2. Remove the intake manifold cover, if required.
    3. Disconnect the left side spark plug wires from the spark plugs.
    4. Disconnect the left side spark plug wires from the ignition coil.
    5. Remove the spark plug wire clips from the Manifold Absolute Pressure (MAP) sensor bracket and the heater inlet and outlet pipe tab.
    6. Remove the spark plug wire assembly.
    7. If replacing only one plug wire, open the retaining clips and remove the appropriate spark plug wire.
    8. Disconnect the right side spark plug wires from the spark plugs.
    9. Disconnect the right side spark plugs from the ignition coils.
    10. Remove the spark plug wire assembly.
    11. If replacing only one plug wire, open the retaining clip and remove the appropriate spark plug wire.
    To install:
    1. Install the spark plug wire assembly.
    2. Connect the right side spark plugs to the ignition coils.
    3. Connect the right side spark plug wires to the spark plugs.
    4. If replacing only one plug wire, open the retaining clip and install the appropriate spark plug wire.
    5. Install the spark plug wire assembly.
    6. Connect the left side spark plug wires to the spark plugs.
    7. Connect the left side spark plug wires to the ignition coil.
    8. Install the spark plug wire clips to the MAP sensor bracket and the heater inlet and outlet pipe tab.
    9. If replacing only one plug wire, open the retaining clips and install the appropriate spark plug wire.
    10. Install the intake manifold cover, if required.

    Fig. 2.2L Engine Firing Order: 1-3-4-2 Distributorless ignition system
    74d742b.jpg


    Fig. 3.1L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    306b531.jpg


    Fig. 3.5L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    9313fa7.jpg


    Fig. 2.4L Engine Firing order: 1-3-4-2 Distributorless ignition system
    2c9af72.jpg


    Fig. 3.1L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system
    d929c16.jpg


    Fig. 2.2L Engine Firing Order: 1-3-4-2 Distributorless ignition system
    f357cd3.jpg

    Fig. 3.5L & 3.9L Engines Firing order: 1-2-3-4-5-6 Distributorless ignition system
    09e9db9.jpg

    I really hope help you with this (remember rated this help) Good luck.

    Sep 23, 2009 | 2003 Chevrolet Malibu

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