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What is the purpose of firing order.

On petrol engine

Posted by AHISHAKIYE Jason on


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Andrew Taylor

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To keep the engine in best balance as possible. Each firing in the cylinder is an explosion.

Why there is a firing order?
Firing order in an engine is important because a correct firing order can cause minimum vibrations in the system. ... Hence most popular engines implement even number of cylinders with a particular firing order so that the system is fully balanced and no vibration is produced in the engine.

Why is the firing order in an engine important? - Quora

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What is the firing order for petrol engin

depends on the number of cylinders
for a 4 cylinder 1342 or 1243
for a 6 cylinder 153624
for v8 in depends if it is ford or chev as they differ
best that you go on line and google the make and model of the engine and look for firing order
It is very hard to give a better answer when you did not proving any information

May 17, 2015 | Cars & Trucks

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I have toyota nadia 1azfse car that cant start but if i put some petro in the manfold it start then dies

You haven't supplied much information.

The common rail system, while technically correct when describing a typical petrol engine is usually used to describe the more modern type of diesel engine.

It isn't a good idea to put petrol down the inlet manifold of a diesel engine.
This test when applied to a petrol engine proves the ignition system is in working order and the timings and the compressions are reasonably fit for purpose. The test would be better performed by an ether spray.

It seems the fuel in your car is not finding its way to the cylinders.
Possible reasons are the fuel pump fuse, relay, wiring or the pump itself. A blocked filter or fuel line is possible.

An electrical or electronic fault could be preventing injection even if sufficient fuel is available at sufficient pressure.
Certainly a systematic process should be gone through in order to discover the cause of your problem.

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1 Answer

I need the firing order 2007 suzuki forenza

no country stated, (you win the 1millionth post , no country)!
i bet not.! (its 1,3,4,2 on all non boxer engines, with 4 bangers)
the PCM controls that not you.
no engine stated.
open hood, look up, see that EPA tag, it tells you what engine is really there, without this fact, no man on earth can fix unknown engines.
(well i can but my eyes see truth, looking down, no photos posted btw.)
The Daewoo Lacetti
in snake skins, Suzuki rip'

1.4 L E-TEC I4 (petrol)
1.6 L E-TEC I4 (petrol)
1.8 L Family II I4 (petrol)
2.0 L Family II I4 (petrol)
2.0 L RA 420 I4 (diesel)

at the least.

wild guess 2:
spark is funky? after a tune up? DIY, ??
so you disconnect the coil pack wire with out marking them>
is that it?
on dizzy cars, you DO need firing order (long gone in 2007 right)
on coil pack , you need pack order.
on Cops coils, you just plug them in.
so? what you got?
read the horrors here

never ever buy any thing from Suzuki, Chapter 11 in USA and canada.

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1 Answer

94 mitsubishi pajero v6 3.0 petrol

How did you make the determination that all the firing orders are wrong? No matter what the source was, the firing order should be the same no matter who you got the information from. Am I correct on this.....that everybody keeps giving you the same firing order??? As a point of emphasis I would like to know if you recieved conflicting specifications regarding the firing order. You may want verify the calibration of the distributor's position. At TDC the distributor rotor should be pointing to #1 cylinder terminal on the distributor cap, or 90 degrees across from it. Please verify.

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1 Answer

Coil wires firing order

you pulled them all at once.?
its really a Daewoo Lacetti
and all these engines.
pick an engine
1.4 L 93 bhp (69 kW) Petrol I4
1.6 L 109 bhp (81 kW) Petrol I4
1.8 L 120 bhp (89 kW) Petrol I4
2.0 L 132 bhp (98 kW) Petrol I4
2.0 L 121 bhp (90 kW) Petrol I4
2.0 L 121 bhp (90 kW) Diesel I4

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sorry but my alldata book doesnt show this model ,come to think of it never seen a petrol version here ,only diesel but i have found two firing order layouts and thats with engine infront of you no 1 back left and another one with no1 front right ,so its no1 say front right side then no2 at the back behind it no3 at front in middle and no4 behind it then no5 left front with no6 behind it and firing order 123456 then reverse that layout if it doesnt work

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1985 Oldsmobile Cutlass Salon 3.8 liter V-6


Hope this helps.

Aug 17, 2010 | 1985 Oldsmobile Cutlass Salon

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