Question about 1993 Chevrolet Lumina

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I was changing the spark plugs and I missed up the firing order

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Firing order for 3.1 lumina 1994 ans older with coil pack under exhoust monifold firing order is 146325
for 3.1 lumina 95 and newer with coil pack on top of engine firing order is 523641

Posted on Sep 16, 2010

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My car is missing need the wireing diagram for a 2003 mitsubishi galant es 2.4 ltr.


From the timing belt to the transmission the fireing orders are 1234 One and three fired the same time 2 and 4 fire the same time. Pull all the plugs for the spark plug on them and lay them across the top of the motor with plugs in them you can see which ones fire at what time. The spark plugs need to be touching a grounded part of the engine to fire. This also will help you find out if you have bad wires.

Apr 01, 2014 | 2003 Mitsubishi Galant

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Have 1994 toy. truck with v6, when choke goes off the engine misses


Hey 94 TOY...

When did the problem start? Before you changed the wires and plugs? Or did it start, AFTER you changed the wires and plugs? Did the problem remain the same BEFORE & AFTER you made the changes?

1 - If the TOY ran fair to Okay before you did the work, then you may have done something wrong when you made the cahages. Check for correct plugs and firing order. Check for cross wiring. With engine runing pull one plug wire off each plug one at a time. Each pulled plug wire will slow down the engine. When you pull a plug wire that doesn't react and does not make any change ON or OFF that cylinder Plug.
Then that cylinder is not firing.

2 - Check for spark at that wire. If you do-not have Spark there, But the other wires do... the wire going to that cylinder is BAD.

3 - If you have the correct firing order and spark at all cylinders then the cylinder that did-not change the speed of engine has a compresstion problem. Bad valves, Piston or rings are bad... Major engine work and Major repair bill for the repair job.... GOOD LUCK....

Oct 15, 2012 | 1994 Toyota Pickup

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Changed plugs on a 1999 f-150 engine now I have a engine miss


check you dont have a broken lead removing them one at a time with engine running will show you which cyl is not firing check plug wasnt cracked when being fitted change lead double check firing order if the engine didnt miss before the plugs were changed then this course of action should fix the miss its easy to cracl spark plugs when fitting if the plug socket does not have rubber insert carbon leads only need to be pulled to hard or bent to far to damage the carbon fibers that run through them check that you dont have two leads crossed this is a common mistake with v8sand is easy to do

Apr 06, 2011 | 1999 Ford F150 Regular Cab

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I just changed my spark plugs now its miss firing and burning a lot of gas any ideas what wrong


First make sure you didnt damage any of your plugs by cracking them during installation and second make sure you have the right firing order you may have crossed wires while installing your plugs.

Feb 09, 2011 | 1984 Ford F 150

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My husband did a tune up on my car yesterday and now it wont start it will turn over like it wants to start but it wont he said that its miss firing we have bought 3 new coil packs and still will not start...


If your car is miss firing and your husband changed the coil packs,the wires leading from coil packs to sparkplugs must have got crossed.This will change car timing which will result in the car miss firing.He needs to go over wiring and correct problem for car to run right.You can go online to autozone.com and type in Info about car to get the correct wiring layout.Your problem isnt the new plugs n wires.Its the wiring layout.

Feb 09, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

Engine missing wont fire properly, i think its the spark plugs how do i change them ?


CHANGE SPARK PLUGS.YOU NEED SPARK PLUG 3/8 SOCKET.YOU NEED SHORT AND LONG 3/8 EXTENSIONS.YOU NEED SPARK PLUG BOOT PULLER AND A SPARK PLUG GAUGE SET THE SPARK PLUG GAP.NOW CHANGE 1 SPARK PLUG AT A TIME SO YOU MIX THEM UP GET FIRING ORDER MIX UP CAR BACK FIRE WONT CRANK.ALSO CHANGE PLUG WIRES ALSO.

Nov 10, 2010 | 1994 Honda Civic

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Missing after replacing spark plugs


What size engine? Check the gap on the plugs as well. "pregapped" is not always right

Feb 18, 2010 | 1991 Oldsmobile Cutlass Ciera

1 Answer

If i changed the oil an spark plugs and the


You might have crossed one of the plugs...another words, one of the plug wires is connected to the wrong spark plug. What size of motor do you have and I will post you a firing order picture?

Oct 19, 2009 | 2005 Cadillac CTS

1 Answer

I am changing spark plug in my 2000 volvo v40


Firing order is 1-3-4-2 (Please rate me if this helps)

Jun 04, 2009 | 2002 Volvo V40 Wagon

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