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What is firing order for a gmc s15 2.8 litre 1986

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Pay a visit to Autozone.com and follow the instructions to enter your vehicle into the system . Then , select vehicle repair info / guides and you will find your firing order in tune up specifications . Also , you will find a lot of other useful information . It's free . Good luck . And be safe .

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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Correct firing order diagram


18436572 going clockwise starting with the post facing the number one cylinder if the distributor is placed correctly.18687102-hlfblu1xwv0b4o5lgdzngsbd-5-0.jpg

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What is the firing order, diagram, and distributer rotation on 1988 GMC truck with a 4.3 litre AT 4x4


The firing order is almost always cast in the intake manifold in front of the throttle body.But here it is 1-6-5-4-3-2....Rotation is clockwise. The cosest front terminal on the cap is #1.

Jan 04, 2010 | 1988 GMC S-15

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Firing order diagram for 1986 GMC S15 2.8L


For this models:
1986 GMC S15/T15 4WD P/U 2.8 liter V-6 VIN "R"
1986 GMC S15/T15 4WD Jimmy 2.8 liter V-6 VIN "R"
1986 GMC S15/T15 2WD P/U 2.8 liter V-6 VIN "R"
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Hope helped woth this. Remember rated this help. Good luck.

Nov 24, 2009 | 1986 GMC S-15

1 Answer

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.

Oct 05, 2009 | 1986 GMC C1500

2 Answers

Firing order


1 3 4 2 is the order



O this is distributor the number one plug goes at 7 o'clock

1 2 3 4
front of car

regards JR

May 23, 2009 | 1986 Yugo GV

1 Answer

Firing order 1986 GMC


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

Mar 29, 2009 | 1986 GMC C1500

1 Answer

1988 GMC 1500 2wheel drive with 4.3 litre.


Check the ignition timing and firing order you may have some crossfire in the distributor cap as well

Sep 01, 2008 | 1988 GMC C1500

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