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Which type of spark plug is best?

Asked by Kinley McGuire

Rosa Pérez

Rosa Pérez
BA, Contributor

NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs.

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How do you trick an O2 sensor?

How to Bypass Oxygen Sensors

  1. Raise your vehicle onto jack stands. ...
  2. Place jack stands underneath the front pinch welds located underneath the front doors (underneath the vehicle) and lower the vehicle onto the stands.
  3. Remove the electrical plug from the O2 sensors underneath the vehicle.

What is a Defouler?

Spark Plug non-fouler (aka Spark Plug defouler) Software upgrade. -Ignore-Since the post catalytic converter oxygen sensors is purely for emission monitoring it does not in ANY way affect your fuel trim and car performance. Therefore, it is perfectly fine to ignore the check engine light.

How do you bypass a clogged catalytic converter?

Place the bypass pipe into the exhaust system where the converter was removed. Use the original converter bolts to attach the bypass pipe, and tighten them with an adjustable wrench in a clockwise direction. Remove the wheel chocks and back the vehicle off of the ramps. Road test the vehicle.

What is fouling a spark plug?

For optimum performance, your spark plugs should be clean with no damage to the electrodes. If your spark plugs become dirty or fouled, it can affect how your engine runs. A fouled spark plug is a plug that has become covered with a substance like oil, fuel or carbon or one that is blistered from running too hot.

Do O2 sensor spacers really work?

O2 spacer extends the gap between the o2 sensor and the exhaust gases, with an increased gap, it will provide a lower Co2 reading. Does the o2 spacer guarantee to work on all vehicles? No, it doesn't, as each vehicles produces different level of emissions, and may not work on all emission levels.

Can you remove catalytic converter without check engine light?

Option two- remove the "cat" fill in that gap with exhaust tubing, bore a hole in the new pipe that the O2 sensor will fit snuggly in and there should be no engine light as long as that sensor has hot gas exhaust flowing over it it's not gonna trigger an error code to the cars computer.

Can bad spark plugs cause catalytic converter code?

Bad spark plugs or damaged exhaust valves can also destroy a catalytic converter. It is important to keep your engine and fuel injection system in good working condition. ... However, if your converter is completely clogged, your engine will quickly fail because of all of the exhaust back pressure.

Are O2 spacers legal?

You can use the o2 sensor and trick it, but you'll still be illegal and both principles a & b apply. d.) Since your vehicle will be considered to have it's emissions system tampered with, you best find a place to store that old honking down-pipe because you will not be able to sell or trade the vehicle.

What is a dummy 02 sensor?

"Faking out" an oxygen sensor refers to the process of bypassing the sensor so that the sensor does not relay the correct information to the system's computer.

Can you pass emissions with a Defouler?

Member. yes with defouler it passed inspection.

How does an 02 Defouler work?

This mechanical O2 fix is basically a way to space out the O2 sensor so that it still reads SOME exhaust gasses but it removes the O2 sensor from the direct flow of the gasses as to make the ECU believe there is a restriction in the exhaust gasses such as by a Catalyst.

Do spark plugs increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower. The theory behind spark plugs increasing horsepower is that by providing more spark to the firing tip of the spark plug, it will (and does) combust more fuel. ...

What is a cel fix?

This O2 cel fix actually has a miniature catalytic converter built inside and will help get rid of that annoying check engine light you get after modifying your exhaust or removing your catalytic converter, and sometimes even when installing a high flow catalytic converter.

Do expensive spark plugs make a difference?

Installing high-performance spark plugs can smooth out a rough idle and get your motor purring immediately. Pulstar spark plugs can give your engine more power, a quicker throttle response, and a more stable, longer-lived engine.

What is an 02 Defouler?

The defouler will move the secondary O2 Sensor away from the direct flow of gasses in the catalytic converter which will trick the computer into thinking that there is still restrictions in the cat therefore keeping the Check Engine Light from coming on.

Will a cat delete throw a code?

As long as you keep the O2 sensors hooked up, it shouldn't throw any codes. You will throw codes and run rich if you don't hook up the O2 sensors. If you want to make a test pipe for the O2 sensor, you can remove the cat and make it.

Do spark plug brands matter?

Although many motorists and technicians prefer to stick with the same brand when replacing spark plugs, there's nothing on the label that limits a particular brand of plug to a particular vehicle make or model.

Do spark plug non Foulers work on o2 sensors?

If you use Two "Spark plug Non fouler", you will end up with the MIL light back on because the O2 sensor is inactive. It is the same as plugging the o2 sensor hole with a plug and leaving the o2 sensor attached to the harness.

What are the 3 types of spark plug?

Spark plug types

  • Copper spark plugs. Copper spark plugs have a copper core and use a nickel alloy on the working end of the electrode–the part that generates a spark. ...
  • Platinum spark plugs. ...
  • Iridium spark plugs. ...
  • Pulstar spark plugs. ...
  • Reducing emissions with every spark plug.

How do you use a non fouler?

How To Install Spark Plug Non-Fouler In Your Car?

  1. Fit the sensor. Your car can have room for either one or two spark plugs non-fouler. ...
  2. Screw spark plug & Unscrew the sensor. After successfully locating the sensor inside spark plug non-fouler, ...
  3. Reinstall & Reconnect.

Which is better iridium or platinum spark plug?

Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.

How does a Defouler work?

you install the defouler on the lower one where it meets up to the exhaust. That one's only purpose is to tell whether the catalytic converter is working or not. The defouler pulls the sensor out of the exhaust gas stream and tricks the computer into thinking you you still have a functioning cat.

What is a spark plug non fouler do?

The best spark plug non-foulers for cars and trucks prevents the spark plugs from fouling. The purpose of the non-fouler is to act like a sleeve for the spark plug and keep out oil. Gas vapor flows through a small hole in the spark plug non-fouler to ignite and move the engine.