Question about Infiniti I35

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How do I find and replace spark plugs, check wires on an I30 2001

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That vehicle does not have plug wires. It uses Ignition Coils instead. On top of each valve cover, there should be three square black coil packs. They will have two screws or bolts holding them in, and a couple of wires coming out of each one. You should be able to unsnap the clips holding the wiring to each coil, Remove the bolts and lift the coil up from atop the spark plug. I would absolutely recommend Factory plugs, or NGK plugs for that vehicle. Infiniti cars will not run worth a **** with anything else in them. You will think you are saving money by putting some Bosch Double Platinum or some **** like that, until you start pulling your hair out trying to figure out why it won't run. Trust Me. Save yourself a bunch of headaches and pay a little more for factory plugs. Just try not to get the coils crossed up, they are two different part numbers. I would suggest doing the job one cylinder at a time. 

Posted on May 08, 2009

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How to change the spark plugs on my 2009 Hyundai Sonata 4 cyl.


remove 1 spark plug wire from the plug. Find a socket that fits the spark plug and connect it to the socket wrench. Put the socket on the spark plug and turn counter clock wise until the old spark plug is removed. Check the gap on the new replacement plug ( make sure you have the correct plug first). Put the new spark plug into the hole that the old 1 came out of and turn clockwise by hand making sure it is in straight, then tighten it clockwise until tight.( WARNING: DO NOT OVER TIGHTEN THE PLUG OR YOU WILL BREAK IT). replace the spark plug wire. repeat the process with the other 3 spark plugs. Start the vehicle. If you are replacing the wires, take off 1 wire at a time, match up the size and replace the old with the new.

Dec 27, 2014 | 2009 Hyundai Sonata

3 Answers

Engine stop


If theres no spark from the spark plugs then you would have to replace them?

Jul 12, 2008 | 1993 Toyota Corolla

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How to Test Spark Plugs in Audi A6 car?


1) Test the spark plug ignition. For that disconnect the spark plug wire from the spark plug.
2) Then touch the spark plug wire close to a metal surface of the car. Then spin the key in ignition switch. If you will see a spark or hear a crackling noise. This means the wire to the spark plug has voltage in it.
3) If there is no spark when you crack the engine it means that a spark plug wire is dead.
4) Check out all the battery cable, ignition wires and coil wires are hooked up properly to their points.
5) If any of the battery cable, ignition wires and coil wires is loose then this can also relate to no spark.
6) But if all the battery cable, ignition wires and coil wires are properly connected then its time to replace the spark plugs.
7) Before replacing clean the old spark plugs connections and recheck.
8) Many a time’s cleaning or moving the spark plug connections makes it work.
9) If nothing is getting the spark plug to spark, then it needs replacement.
This will help. Thanks.

on Mar 15, 2010 | Audi A6 Cars & Trucks

Tip

How to Test Spark Plugs in car?


The procedure is as follows:--
1)Test the spark plug ignition. For that disconnect the spark plug wire from the spark plug.
2)Then touch the spark plug wire close to a metal surface of the car. Then spin the key in ignition switch. If you will see a spark or hear a crackling noise. This means the wire to the spark plug has voltage in it.
3)If there is no spark when you crack the engine it means that a spark plug wire is dead.
4)Check out all the battery cable, ignition wires and coil wires are hooked up properly to their points.
5)If any of the battery cable, ignition wires and coil wires is loose then this can also relate to no spark.
6)But if all the battery cable, ignition wires and coil wires are properly connected then its time to replace the spark plugs.
7)Before replacing clean the old spark plugs connections and recheck.
8)Many a time’s cleaning or moving the spark plug connections makes it work.
9)If nothing is getting the spark plug to spark, then it needs replacement.
This will help. Thanks.

on Mar 15, 2010 | Audi A4 Cars & Trucks

1 Answer

Engine light on / runs rough / Sometimes dies Has code p305


Code po305 is # 5 cylinder misfire. Check the spark plug wire and spark plug. use an inline spark tester to check the wire from coil to spark plug. If you have spark,then remove plug to see if it is fouled out. the best time to check for brake or cracked spark plug wiring is at night with engine running and doing a walk around to see if the insulation on wireing is broken or cracked. you will see the wires sparking at night. then replace the wires that are causing the problem.

May 09, 2010 | Cars & Trucks

1 Answer

#2 clyinder not firing in a 02 eldorado with 19000 miles on the car


There are several possibilities.
Based on the year (2002) and low miles (19,000) it probably has the original Plugs, Wires and Coil. Rubber insulation on Wires does dry rot over a period of time. Spark Plugs should be changed about every 3 to 4 years regardless of miles. Wires should be replaced every other Spark Plug change. Translated you should be on you 3rd set of Spark Plugs and 2nd set of wires.
When working in the engine compartment and with the electrical system remember: ther is 40,000 to 75,000 volts present. Bad Wires could mean an electrical shock!
You can cheaply purchase Ignition (Spark Plug/Wire/Coil) Test Kits at most auto parts stores or even at Harbor Freight.
1) Remove the #2 Wire connection to the #2 Coil position.
2) Insert the tester into the #2 Coil position. Clipping the other end onto the engine block or onto a good ground.
3) Start the Engine.
4) You will be looking for a good strong (blue) and rhythmic spark. If it is not strong (yellow or orange) nor rhythmic, the Coil is malfunctioning and should be replaced.
5) If it is a good rhythmic spark, Turn OFF the Engine.
6) Disconnect the Tester and reconnect the #2 Wire to the #2 Coil position.
7) Disconnect the #2 Wire from the #2 Spark Plug.
8) Connect the Tester into the end of the #2 Wire. Clipping the other end to the engine block or a good ground.
9) Start the Engine.
10) Again you are looking for a strong (blue) and rhythmic spark. If is not strong (yellow or orage) and rhythmic, the Wire is bad and should be replaced. Wires should always be changed as a Set is the standard rule.
11) If it is a good rhythmic spark, Turn OFF the Engine.
12) Remove the #2 Spark Plug out of the engine.
13) Check the Igntion end of the Plug for carbon, dirt, or being fouled. Check the Gap.
14) Insert the #2 Spark Plug back into the #2 Wire.
15) Using the Spark Plug Tester. Connect the Tester to the #2 and clip the other end to the engine block or a good ground.
16) Start the Engine.
17) Once again you should be checking for a strong (blue) and rhythmic spark. If it is not strong (yellow or orange) nor rhythmic, the Spark Plug could be malfunctioning.
18) Clean the #2 Spark Plug.
19) Regap the #2 Spark Plug.
20) Retest the Spark Plug.
21) If there is now a strong (blue) and rhythmic spark, then the #2 Spark Plug is now good.
22) If there is not a strong (yellow or orange) nor rhythmic spark the #2 Spark Plug is malfunctioning and needs to be replaced. Again the standard rule is to replace the Spark Plugs as a set.

The several other possibilities relate to sensors. However without additional error codes or the check engine light on, we will assume that the problem can be solved with the solution above.

Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Feb 17, 2010 | 2002 Cadillac Eldorado

Tip

How to Test Spark Plugs in Audi car?


The procedure is as follows:--
1) Test the spark plug ignition. For that disconnect the spark plug wire from the spark plug.
2) Then touch the spark plug wire close to a metal surface of the car. Then spin the key in ignition switch. If you will see a spark or hear a crackling noise. This means the wire to the spark plug has voltage in it.
3) If there is no spark when you crack the engine it means that a spark plug wire is dead.
4) Check out all the battery cable, ignition wires and coil wires are hooked up properly to their points.
5) If any of the battery cable, ignition wires and coil wires is loose then this can also relate to no spark.
6) But if all the battery cable, ignition wires and coil wires are properly connected then its time to replace the spark plugs.
7) Before replacing clean the old spark plugs connections and recheck.
8) Many a time’s cleaning or moving the spark plug connections makes it work.
9) If nothing is getting the spark plug to spark, then it needs replacement.
This will help. Thanks.

on Mar 15, 2010 | Audi A3 Cars & Trucks

1 Answer

3 cilynder not working


While checking for "spark" = "fire" make sure you do it properly. These shocks hurt and could result in injury or even death.
1. Pull and check the Spark Plug for Cylinder #3. There are spark plug tester's at autoparts stores that you can buy and some are for rent. They are easy to use. If still no Spark PROCEED to Steps #2 and #3 below before replacing the Spark Plug. If the Spark Plus is dirty, fouled, or incorrectly gapped: clean, and regap the plug and recheck.
2. Check for "fire" at the spark plug end of the wire for Cylinder #3. Is there consistent sparking? If not then PROCEED to Step #3 below before replace the wires.
3. Check for "fire" at the Coil="Distributor" for Cylinder #3. Is there consistent sparking from the Coil? If not the Coil could be Bad.
If there is Consistent Spark from the Coil but no Spark from the Wire = Replace the Wire.
If there is Consistent Spark from the Coil and Wire = Replace the Plug.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Jan 23, 2010 | 1998 Ford Econoline

1 Answer

Power loss at 3000rpm, model 740, 1991


You need to check alot of things to isolate the problem. Start with the air cleaner. Make sure it is not filled with dirt. I would check the spark plug wires. Crank the car. Take a spray bottle filled with water. Spray some water on the spark plug wires and the ignition core wire. It should make NO sparks. Turn the car off. If it made sparks or arcs, replace spark plugs wires and coil wire. Also, make sure that it takes effort to remove the spark plug wires. I have seen spark plugs wires that come off real easy. These should be replaced. You will need to remove one spark plug wire. Only ONE. (you don't want to crisscross the wires.) Remove the spark plug. Check the condition of it. Check the gap. If bad, replace. (I put anti sieze compound on the spark plug threads. Just a little bit.) Remember to fix one spark plug at a time. (You don't want to get the spark plug wires crisscrossed.) Move to the next spark plug. If the spark plugs look alright, I would check the distributor cap and rotor button. (It requires a little patience.) If all this looks good, I would do a compression test (if you have a compression test gauge). If not, check the fuel filter. Fuel should flow thru the filter. If this is good. I would put a vacuum pump on the fuel regulator. (If my a vacuum pump is not handy, I use a piece of tube and **** on it. However, safety conscious people would not think of doing this.) There are other things to do, but it starts requiring specialized tools.

Aug 25, 2009 | 1991 Volvo 740

2 Answers

Keeps mis-firing on cylinder #3 check engine light flashes and stays on car chugs on uphill slopes


check plugs wires for damage or just replace if you have replaced the #3 plug already if not replace it also

Aug 04, 2008 | 1999 Ford Taurus

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