Question about 1995 Chevrolet Cavalier

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How do i know my spark plugs are firering in the

How do i know my spark plugs are firing in the proper sequence? I changed my coils and my plug wires got mixed up.

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The best way would be to obtain a firing order diagram and go by that. You can probably look at the diagram somewhere online for nothing. Crossed wires are a pain to guess at.

Posted on Jul 10, 2010

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Where does first spark plug wire go on 2005 Mercury Monterey


what size engine. does it have coil pack(S) or coils on the plug wires? you could go to autozone.com the have a help section if you register with them.( it's Free) and worth a shot.

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Change my spark plugs and distrubutor cap and the 85 ranger want start


You may have got the spark plug wires out of sequence.
Reseat the coil wire going to the center of the distributor cap Check the spark plug wires at the distributor against the firing order as follows:
The spark plug firing order is 1 - 4 - 2 - 5 - 3 - 6 The distributor rotor turns CLOCKWISE The engine cylinders / spark plugs are numbered :
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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

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2004 KIA OPTIMA WON'T START AFTER SPARK PLUGS WERE CHANGES


HI. There are several areas of concern here. I will list them below. Check all areas stated in the list for faults.

Possible cuases:

1. Incorrect firing order set. On the 2.0, 2.4 and 2.7 engines. These engines are equipped with a distributor-less ignition system. This system incorporates a coil pack assembly, along with wire sets. In order for the assembly to fire correctly, the order of the wires must be set to the proper sequence. if not, the engine will not turn over, or start correctly. Make sure your firing order is correct, and make sure you have not placed a particular wire set into the wrong cylinder. I will post a picture of the correct firing order for your engine, below this list, shortly.


2. Incorrect spark plug gapping procedure. If the new spark plugs were gapped incorrectly, this will not allow for proper spark, thus, preventing optimal combustion, due to lack of fire. Check the spark plug gap using a wire gap gauge, and adjust if necessary. The gap should be 0.039-0.043 in. (1.0-1.1mm)

3. Failed coil pack assembly. This will be the worst case scenario. The coil pack supplies the necessary current that fuels each plug. The current is transferred, via wire sets.This will be the culprit if all the above areas are proven to be operational, and in good shape.

4. Failed wire sets. Replace the wire sets if faults are found at the connector at the ignition coil pack, or at the plug boot.



NOTE*
In order to provide the correct firing order for your engine, i will need the engine size and liter information, if possible. Please post this information, asap. Thanks..

Mar 24, 2010 | 2004 Kia Optima

3 Answers

No spark to the coil


No spark to the coil or is it no spark from the coil? First verify that you have 12 volts to the coil when you turn ignition switch on if not you will never have spark from the coil going to the plugs. If you do have 12 volts to the coil and still no spark you have a bad coil. To see if the coil is firing, unplug a spark plug wire from it's plug and hold it to a chasis ground while attempting to start the vehicle. There should be a strong spark and popping sound. Remember to wear leather glove or thick work glove if holding the wire by hand to avoid shock. If there is a strong spark then coil is good.

Sep 25, 2009 | 1997 Chevrolet Express

1 Answer

How to wire the two coils to match the plugs?


the plug wires are likely bad causing this problem

Jul 30, 2009 | 1996 GMC Sonoma

1 Answer

Car hard to start


sounds as if your firing order is off. Just be sure from left to right it is indeed 1234 as the coil pack says. If you need the coil pack firing order let me know.

Nov 20, 2008 | 1995 Pontiac Sunfire

1 Answer

Will not start


If the spark for the coil is not hot hot enough it wont fire plugs... I assume you have checked wires

Aug 23, 2008 | 1995 Jeep Grand Cherokee

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