Questions tagged [sparkplugs]

spark plugs are used to ignite the fuel-air mixture in a petrol/gasoline engine.

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2answers
6k views

2011 Mini Cooper R56 Hardtop Sparkplug Gap

I would like to know whether I can use NGK 90223 spark plugs on my 2011 Mini Cooper R56 hardtop with ~50k miles. The original spark plugs on it (Beru 12ZR6SP2) seem to have worn and the engine is ...
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1answer
5k views

Oil is leaking to my spark plugs. how do I clean it?

I have a 93 Honda Accord and it won't turn over. I listened to see if it was the fuel pump but that was not the problem. I finally removed the valve cover gasket and found about an inch of oil where ...
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4answers
6k views

Estimate for head removal / reinstall

In changing the spark plugs in my 2000 Ford Mustang GT (4.6L), I sheared one of them (number 3) The ceramic is totally removed, as is the hex nut. The threaded portion as well as the ground electrode ...
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1answer
2k views

Spark plug thread broke inside the engine [duplicate]

I took out the spark plug on the fourth cylinder and it appeared to have some metal on its thread I cleaned it out and put it back inside while tightening it the thread broke inside The part in ...
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0answers
4k views

shakes at idle in drive but fine at park or neutral

I was driving my 2006 Hyundai sonata (3.3L) yesterday during heavy rain. Suddenly check engine light started flashing. When I stopped at a red light, it started shaking badly. I noticed that when I ...
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0answers
212 views

Help Diagnosing Engine — Truck starts but won't run after repairs

Hoping for some help here. Very long story short, a spark plug wire was fouled in my '88 Chevy Scottsdale K1500, which was replaced. The spark plug was also replaced....but old wire was reattached, ...
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0answers
37 views

NGK spark plug for timing advance [duplicate]

What kind of NGK spark plug must be used when the timing on a 1990 Toyota Conquest 2E is advanced to 15° btdc?
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3answers
7k views

Need to know about spark plug

What is the most suitable spark plug for Toyota 3A engine in Asia? (NGK/Champion/denso/BOSCH and also copper/platinum or iridium) Please explain the differences/advantages between them and how it ...
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1answer
165 views

Best quicker faster acceleration NGK spark plugs

What kind of NGK spark plug can I use on my 1990 Toyota Conquest 2E for quicker start and for faster acceleration?
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2answers
45 views

Why 2010 Honda Civic1.4 spark plug fail and damaged coil and cap?

I have my car back from local service where they changed the spark plugs. I drove back around 12 miles, it seemed ok. I drove my car 10 miles the next day and broke down because one of spark plugs ...
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1answer
79 views

Ford Taurus 2004 3.0

I'm using MOTORCRAFT brand spark plugs, and would like to know the recommended the gap for a 2004 Ford TAURUS 3.0. Also, I have a a leak in the lower section of the intake manifold.
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2answers
2k views

Can standard spark plugs be used instead of platinum/iridium?

I have a 2015 Subaru Forester 2.5i with a M/T. Can standard plugs be used in place of the (overpriced) platinum/iridium OEM's? I tried platinum in two previous cars and they gave less mpg and ...
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1answer
4k views

Bottom piece of spark plug broke off in motorcycle engine

I was riding my 2005 RM125 dirt bike the other day when it bogged down all of a sudden. I noticed the spark plug had backed out of the head, thus causing the stall. I pulled the spark plug all the way ...
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1answer
2k views

When I remove a spark plug is it bad news if dirt or grime falls into the engine

Despite my best effort to clean up a corroded spark plug and blowing the area with compressed air before removing would it be bad news if dirt or grime falls into the engine in the process of removing ...
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2answers
13k views

Rough idle + slow acceleration + engine dying after spark plug change

I recently changed the spark plugs and wires on my 2002 Ford Focus SE with Zetec (DOHC) engine. I used NGK TR5IX (7397-4PK) Iridium IX plugs and Motorcraft wires. When I received the plugs, they were ...
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2answers
47k views

How to know if the spark plug or the ignition coil needs to be replaced

I have a 2002 E39 520i. One of the cylinders has stopped working (or misfiring) and I am hoping it is because no spark is generated. I am very new to engines so bare with me please. :) My question is:...
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1answer
136 views

Golf 3 1992 Model

Good day, Please assist with my car, when driving gear 1 and 2 does not have power. I have change the plucks and the ring gears two months ago and it was fine. Now gear 1 and 2 does not have power ...
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2answers
1k views

Changed Spark Plug Missing (not firing)

Over the weekend, I changed one spark plug on my 2001 Ford Explorer Sport. It was running fine but it had been about 30,000 miles and I am about to sell it and wanted to have everything running good ...
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2answers
4k views

Do I really have to pull the engine to remove broken spark plugs?

I broke 2 spark plugs in my Buick lesabre 3800. The plug is broken at the top of the nut. The porcelain is all broken off in the socket. Took it to a mechanic and was told he would have to take the ...
6
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1answer
69 views

2008 Grand Prix GPX

What spark plug should I be using? I did my own tune up and the guy at auto advance told me to get some Bosch spark plugs for my car but then I notice less power. A mechanic told me I shouldn't have ...
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9answers
438k views

What is the difference between normal, platinum, iridium plugs?

What is the difference (besides price) between normal, platinum, and iridium spark plugs?
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2answers
1k views

How often should spark plug wires be replaced?

I last replaced them with the plugs about 4 years/60-70k miles ago. I bought platinum plugs I if I remember correctly, so I still got some life on those. The car (2001 Buick Regal) is still in good ...
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2answers
2k views

Jeep Wrangler spark-plug issue

I just got the spark plugs changed because my 2009 6 cyl. Jeep Wrangler (with 70,000 mi) was throwing code for a misfire. After the change, it doesn't run as smoothly as before. It chugs and skips, ...
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2answers
113k views

How much does spark plug gap affect fuel efficiency?

I've read conflicting reports regarding how plug gap can affect fuel efficiency. For example, I've read that too small a gap won't cause a clean burn, or that too large a gap can cause misfires due ...
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2answers
253 views

Firing a Coil on Plug

I was wondering if there is a simple way of firing a coil on plug outside of the car. The coil in question is just a two wire coil on plug and I don't know if its possible to just hook up a 12V ...
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2answers
4k views

Is it necessary to replace functioning spark plugs?

I have a 2000 Mazda Protege that last had it's spark plugs replaced about 4-6 years ago (about 40k-60k miles). It's a commuter car, but it's a short commute and mild driving conditions; probably 85% ...
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1answer
2k views

What is the effect of different spark plug electrode tip diameters?

When choosing spark plugs one has a lot of options. One of the differences is the diameter of the electrode tip - some spark plugs have a large flat tip, and newer models often have a really thin tip. ...
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2answers
1k views

any downsides to early spark plug changes?

Are there any downsides to early spark plug changes? some say 10k 15k etc and some do it as early as 5k =S but would it be okay to get into the habit of changing them after each oil change (6k) miles ...
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1answer
81 views

After perfoming tune up to my jetta 2.0

After performing tune up to the car due to misfiring replacing spark pugs new wires new gas filter When finished and started the car a lot of water came out of the exhaust like never saw it before. ...
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3answers
4k views

2003 Ram 1500 4.7 Misfiring Cylinder 3

Would a bad fuel injector cause plug not to fire? Weird voltages at harness for cylinder 3 compared to other cylinders. No spark at plug. Coil and plug new and tested on other cylinders. I am leaning ...
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3answers
5k views

Exhaust Flame Kit

I have been searching over the past week or so trying to educate myself as much as possible before going ahead and trying to build an exhaust flame kit from scratch (the ones on sale on the internet ...
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2answers
869 views

Why are the spark plugs from the same 2 cylinders corroding faster than the others?

On my engine ('99, 360 v8 Magnum), I replaced the spark plugs less than 15k miles ago, because of misfires in cylinders 2 and 8. Those two plugs were badly corroded. Today I had to replace them again, ...
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2answers
6k views

Very slight arcing of good spark plug wires

While looking for the reason of occasional misfires I checked if my spark plug wires are arcing at night. There was no textbook arcing with popping sounds and pretty lights, but there was extremely ...
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2answers
8k views

Follow up question on spark plug heat range

@vini_i gave a great answer to my previous question here (What is spark plug heat range) Part of that answer is that the reason for spark plugs having different heat ranges is that if it runs to ...
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1answer
2k views

What is spark plug heat range

I was watching a show and their project was adding a bolt on turbo kit. In the process they mentioned that they needed a colder spark plug. What does a hot or cold spark plug mean? What changes ...
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2answers
2k views

Spark Plugs 1998 Buick Lesabre

Where are the spark plugs in a 1998 Buick Lesabre? Pictures would be helpful as I'm a novice at this type of thing. I'm assuming I need all six because I'm getting a check engine light saying number 6 ...
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1answer
1k views

Vespa Plug,Contact Point and Condenser

For my Vespa P150 x I want to know technically regarding to Plug What should be the color of a healthy plug spark? Mine is a blue red like color. Contact Points How can I check that the points of ...
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3answers
14k views

One cylinder not firing, GSX R 750 W

What could be possible reasons that one of the four cylinders (the left or first one) is not working? It was working before, than it did not, then it did again and now not again. I was able to start ...
5
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1answer
1k views

Honda CBR 250 won't start after heavy rains, puttering noise

There has been heavy rain and yesterday I couldn't start my bike. The main and other fuses are not blown. I ride it regularly. Turning the bike on: https://vid.me/pYNw. The high-pitch noise is not ...
5
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1answer
67 views

2000 Buick Century not running after spark plug change

I had someone come look at my car (big mistake I should have done I it myself). He said the spark plugs needed to be changed and while he was changing them he was revving the engine. He didn't put the ...
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3answers
4k views

Normal oil and fuel consumption for MkIV Golf 1.4l?

Vehicle: 2002 VW Golf (German) Engine: 1.4 liter, gasoline 75 hp Odometer: 60k miles / 100k km Fuel consumption: 29-33 MPG / 7-8 liters/100km Oil used: 5W30 ...
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1answer
434 views

Socket wrench turns loose on top of spark plug

I'm trying to replace the spark plugs of my 2006 Prius, but the deep well 5/8 socket attached to a 2 in extender just turns loose, as if it does not fit in the top of the spark plug. I tried also 3/4 ...
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1answer
1k views

How to check spark plugs on a Yamaha R6

I was hit a few weeks ago and have been trying to get my motorcycle fixed ever since. 2012 Yamaha R6. I replaced the tank among other things and trying to start it it sounds like it's sucking air. ...
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0answers
193 views

Broken Spark Plug removal [closed]

I have a 2002 Chevy Venture, that supposedly the Mechanic changed the spark plugs, but when trying to do a tune-up one of the Spark Plugs broke off and the electrode is still in it. I found online a ...
8
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1answer
2k views

Two-stroke dirt bike piston running into spark plug

Recently, I submitted a post on here regarding a broken ground electrode on the spark plug of my 2005 Suzuki RM125: Bottom piece of spark plug broke off in motorcycle engine Well, I found out what ...
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1answer
793 views

How to check if bad spark plug threads are causing compression loss

How do you check if your spark plug threads are bad? I would like to know the most non-invasive method of checking this and also the most cheapest way to check this.
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4answers
4k views

How to remove a stripped/broken sparkplug on a 2001 Chevy Malibu

I have tried to remove the #3 spark plug from my 2001 Malibu, with no results. It is very hard to get to that particular spark plug because there is not much room between the fire wall and cylinder. I ...
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2answers
18k views

Will Driving 100 Miles With a Misfire Damage My Car?

Background: I have a 2002 Dodge Dakota Quad Cab slt with 4.7L Magnum V8. My check engine light came on when I was at work. I then drove 20 miles home to my house, pulled out my scan tool and ...
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0answers
2k views

Spark plug blown out of engine in one cylinder, twice. [closed]

I have a 454 engine in my cabin cruiser boat. After operating at normal cruising speed for 20 minutes or so a spark plug was blown out of the engine, with the center electrode melted, and the rest of ...
4
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1answer
3k views

MX5 lost power after spark plug change

I own a Mazda MX5 mk2 1.6L. I had severe problems with engine misfiring, caused by the valve cover seal, to leak. The oil that was leaking was concentrated near the spark plugs, and periodically it ...