Question about 1994 GMC Sonoma

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I need the firing sequence on the 1994 GMC Sonoma from spark plugs to the distributor cap. My brother got the wires mixed up...he doesn't know where the wires go.

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Here is the firing order diagrams for the 4.3 liter V-6 engine and the 2.2 liter 4 cylinder engine, and let me know if you need any help to understand these diagrams, or if you require any further assistance.

4.3 Liter V-6 Engine.


I need the firing sequence on the 1994 GMC Sonoma - 6ad9cf8.jpg
2.2 Liter 4 cylinder engine.


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Posted on Oct 04, 2010

  • kara perteet
    kara perteet Feb 23, 2014

    mine has the flat cap not the round one

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I mixed up my spark plug wires i changed the distributor cap and rotor and spark plug wires but i mixed them up can any one help me


You can google the engine size and "firing order" to get a drawing or photo of the firing order online.
Example - - 1990 GMC 350 firing order diagram

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The order for the spark plug wires from the distributer cap


Need to know engine size however follow this link and it will give you the firing order. Good Luck and a grt day. http://autorepair.about.com/library/firing_orders/bl-gmc-firing-94.htm

Apr 01, 2010 | 1994 GMC Sonoma

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94 royal begis to cut out, chugs at about 55


Replace the spark plugs and wires along with a distributor cap and rotor. Be careful to leave the old wires and plug wires connected to dist.cap, just remove dist. cap from the distributor and lay aside with plug wires on it then install rotor then new cap and proceed to replace each wire for cap and spark plug one at a time so you don't mix up the spark plug wire firing order. Cap laying to the side is used for reference purpose.

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Firing order for a 1986 gmc s15


FIRING ORDERS

To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.

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Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise

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Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise

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Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

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

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I installed spark plug wires wrong on a 4.3 gm motor for 2000 gmc sonoma now it does not start need wire schematic to guide me


Standing at front of truck, looking under the hood.

The closest cylinder to you on your right is #1. #2 is close left. #3 is middle right, #4 middle left. #5 is back right and #6 is back left.

Firing order is 1-6-5-4-3-2. This is the sequence for placing the wires on distributor cap in a clockwise direction. #1 spot on cap is the 3rd post after the wiring harness (clockwise). This post should be closest to cylinder #5.

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1984 pontiac bonnerville plug firing order photo


Hi,
I don't know your engine size, but the link below is a picture of the GM small block firing order with distributor.
The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.

http://www.classiccarauto.com/impala/how_to/images/distributor.png

Hope this helps...

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How do i remove a distributor in a 1996 gmc sonoma


Question 4.3 Litre V6 or 2.2 Litre inline 4 cyl.

Procedure as follows: in either case remove # 1 cyl spark plug and rotate engine until # 1 piston is at top dead center , with a suitable marking pen make a reference mark on crankshaft harmonic balancer and timing mark indicator on engine timing cover. Make a notation on the distributor cap of the number one spark plug wire and also note the remaining wires firing order sequence on cap in order of rotation. Remove cap and note and mark rotor location , make a reference point on distributor body as well as engine block . Remove cap and wires , loosen distributor lock down bolt , disconnect distributor wire harness and label harness for reference to reconnect upon re-installation. Twist as you pull up on distributor , distributor should come out freely with minimal effort but occasionally they can be a little tough and need to be helped out with minimal extra persuasion...

If you find that upon re-install you get a trouble code P1345 don't threat just start over the process of placing # 1 cyl at TDC and then reference the marks you made during dismantle, There is a + - 3 degrees tolerance that the computer can adapt... But you will have to erase any trouble codes... You should not have to remove the hood, maybe just the air box and or filter housing for easier access.... Unless you are removing entire engine then yes remove hood by all means, mark hood hinges and mounting holes before removing for easier alignment during install of hood... Hope this helps...

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Firing sequence/numbering on distributor cap of Landrover Discovery 1, 3.9lit V8, 1998 model


Firing order is 1-8-4-3-6-5-7-2 Cylinder numbers looking at engine from front Left Bank 1-3-5-7 Right bank 2-4-6-8 Distributor has clockwide rotation,

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