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

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1answer
20 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
160 views

Comparison between spark plugs

Is there an Autolite spark plug available that compares to a Champion J12Y spark plug? I would like to go with an Autolite plug if there is one available which will work. What type of plug would you ...
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7answers
99k views

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

What is the difference (besides price) between normal, platinum, and iridium spark plugs?
4
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4answers
169 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
64 views

Will I get better performance with Brisk ZC plugs?

I was looking into Brisk ZC Multispark plugs. The design is interesting. it doesn't have a ground strap like regular plugs, nor is it one with multiple ground straps to get in the way of the flame ...
0
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2answers
173 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 ...
3
votes
1answer
21 views

Gap a spark plug for another motor. How to be sure the correct gap for another model year motor?

I have a 1993 C1500 with 4.3L that has a motor (also a 4.3L) from another truck installed. The truck is originally a 1993, but I'm not exactly sure what year the "new" motor is - it was pulled from a ...
2
votes
2answers
42 views

Something stuck inside the spark plug barrel of motorcycle

I went about changing the spark plugs on my 91' Honda CBR250RR and ran into a problem with the fourth plug. I tried inserting the sparkplug socket but it wouldn't get in there. Using my phones camera ...
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1answer
69 views

Car shaking on startup

My car has been shaking on start-up. The check-engine light has been on/off periodically. When I originally took it in, my mechanic replaced a sensor (and a whole bunch of other stuff not related to ...
2
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1answer
70 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 ...
4
votes
2answers
901 views

Oil leaking from spark plug socket

I have oil leaking from a spark plug socket on my 1981 Volkswagen Rabbit pickup truck. Before you ask, it's swapped with the 1.6 gas motor instead of the 1.6 diesel. The oil leak appears to only be ...
4
votes
1answer
88 views

What does a healthy spark plug look like?

The spark plug pictured here: Has some black carbon on the underside of the ground electrode and has black carbon on the "base" area below the centre electrode (not pictured). Is this normal and ...
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3answers
504 views

Are Oil Puddles in Cylinder Head Normal?

Changing spark plugs and one well was full of oil. I took off the valve cover to replace the gasket and noticed that there was quite a bit of oil puddled in the cylinder head. Is this normal or could ...
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0answers
26 views

How long can I use a glowplug without turning it off?

This question is not directly related to motor vehicle, but it's probably the best place to have answers. In a DIY project, I want to use glowplug to heat air very quickly over 300°. Usually in a ...
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vote
2answers
234 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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vote
1answer
36 views

What is the difference between Brisk LR14ZC and LR14ZC-1 spark plugs?

What is the difference (besides price) between Brisk LR14ZC and Brisk LR14ZC-1 spark plugs?
2
votes
2answers
264 views

Are ignition coils easy to replace on a BMW 318i 2.0L 2007 msport model?

They'll cost me £21.06 each. I watched a video on YouTube that showed a guy clipping of the engine cover and pulling out and plugging in the coils. I'm not 100% sure what BMW model this was but it ...
3
votes
1answer
503 views

What is the difference between normal, platinum, iridium plugs in petrol/LPG vehicle?

This question was related with this What is the difference between normal, platinum, iridium plugs? Is there any difference if petrol vehicle is converted to liquid propane gas (LPG)? In my case I ...
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1answer
21 views

spark plug separated @ porcelien & metal

Can a engine run ssmoothly with a broke in half spark plug(where the porcelain meets the metal)no vibrations & would the plug wire boot hold the 2 pieces together?
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1answer
241 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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3answers
3k views

Spark plug tips are breaking/melting or falling of my Bosch Platinum Plugs

After 150,000 on the original factory plugs I replaced them all with Bosch Platinum, single tip, plugs. After a couple of months my car began to idle roughly at stops but not always. Then one day it ...
2
votes
3answers
112 views

When should we change the machine lubricant? Cold engine or hot engine?

According to the manual, we should change the lubricant when the engine is still hot to easy the lubricant flow out completely. But from other perspective, loosening the bolt at the high temperature ...
2
votes
1answer
92 views

drove without #3 cylinder plug wire. Help!

I drove without a spark plug wire in my 1978 GMC Sierra 5.7L. It drove fine and I didn't notice any problems until it died after about 2 miles. It was acting as if it was out of fuel or power when it ...
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1answer
140 views

What oil brand, style, weight, and filter for a 230k 98 Honda Acord LX 4-cyl?

first time here and pointed this way by a friend after I asked about on twitter. I've got a 1998 Honda Accord LX 4-cyl 2.3L with 230k miles approximately on it. I try to take decent care but I've ...
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11answers
75k views

What happens if a single spark plug unexpectedly goes down in a multi-cylinder engine?

AFAIK vehicle manuals say owner must replace spark plugs every N miles. Suppose he fails to do so and a single spark plug unexpectedly dies in an engine with multiple cylinders right in a freeway. ...
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2answers
1k views

Really high idle after tightening spark plugs

I had a very nasty tick in my engine after doing a bunch of work to it, I just redid my chain tensioner which went a long way to fixing it, then I found that spark plugs could cause a tick, so I ...
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2answers
772 views

Saab 9-3 stuttering and cutting out [closed]

I've got a 1999 Saab 9-3 2.0l Automatic (not the turbo). It's been running fine, then a bit more than a month ago it started to stutter when accelerating or decelerating. Only occasionally, but it ...
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1answer
70 views

Carbon Fouled Plugs '74 TX500

I'm somewhat new to wrenching my bikes and I'm loving it! :D I have a 74 Yamaha TX 500 that keeps carbon fouling her plugs :(. I've put on slightly hotter plugs (D7EA from D8EA), narrowed the jets ...
2
votes
1answer
2k views

Slow acceleration, high fuel consumption after spark plug change

I have a 2000 Ford Ranger 4.0 L V6 4x4 model. I recently was having some problems with the truck idling too low when cold and I decided to change the spark plugs. I put in 4 out of the 6 new plugs and ...
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2answers
481 views

Spark plug gaps - manufacturer or shop manual?

So I have a 2000 Ford Ranger XLT 4.0L V6 OHV Engine and I recently replaced the spark plugs. The thing is, the original recommended spark plugs have a gap of 0.52-0.56, which is what is recommended in ...
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2answers
718 views

What type of Anti-Seize compound should be used on spark plugs?

Is there a particular type of Anti-Seize compound that is preferred for use on spark plugs? What temperature rating is needed?
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2answers
198 views

Any danger if 4 of 8 spark plug leads not connected while driving

After driving 2 blocks I knew something was wrong with the engine, and when I stopped and checked under the hood I discovered that 4 of the 8 spark plug leads were there but disconnected. This was ...
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2answers
271 views

Engine condensation causing no-start condition

I have a 2000 GMC Savanna, and I've had this problem twice. If we have a particularly cold few days, then a warm humid front moves through overnight, the engine won't start. I can see quite a bit of ...
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2answers
2k 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 ...
3
votes
1answer
230 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 ...
4
votes
1answer
226 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 an airline before removing would it be bad news if dirt or grime falls into the engine in the process of removing it? ...
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votes
2answers
1k views

Is there a measurable benefit to replacing spark plug wires?

My 92 Civic has very old spark plug wires, probably original, but their resistance is in-spec (under 20k ohms), they have no external damage, and the vehicle has no misfire or other symptoms ...
2
votes
3answers
18k views

What is the proper way to extract a broken sparkplug?

When dealing with a car with aluminum head(s), what is the proper way to extract a broken sparkplug?
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votes
2answers
335 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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5answers
1k views

How to properly change out spark plugs?

I am looking into how to change out my spark plugs on my 4 cylinder 2005 Mazda 3. All I know to do is: 1: Open each cylinder. 2: Use a spark plug socket (with the rubber insert) to remove the old ...
4
votes
1answer
4k views

Getting a stuck spark plug out

4 spark plugs--three finally changed but one won't come out and is apparently stuck with a deposit of carbon. Has a service every year so not as though it is ignored. we don't want to change the car ...
4
votes
2answers
418 views

How can I adjust gaps to spark plugs?

Have a couple spark plugs that needs adjusting. Whats the best practise for this? Is this valid? http://motorqa.com/question/8/whats-the-best-way-to-adjust-gap-in-spark-plugs
3
votes
1answer
1k views

What spark plug gap to use for old 5HP briggs and stratton

I am doing some maintenance on a ~25 year old garden tiller with what I believe to be a 5.0 HP Briggs & Stratton motor. I have no manuals for this thing. Cars I have worked on have had spark ...
2
votes
1answer
1k 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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vote
1answer
831 views

Misfire in cylinder 4

About 8 months ago my engine light came on, and after pulling the code it was a misfire in cylinder 4. My vehicle is a 2004 Mazda MPV, and only has 60K miles on it. Everyone I talked to was skeptical ...
3
votes
1answer
398 views

O2 Sensor Error after replacing spark plugs?

Ford Taurus 2004 Sedan SES DOHC. (The car is actually in the shop right now and I told him to hold off until I get more info.) Took the car to the local shop to get the spark plugs replaced. Because ...
3
votes
1answer
273 views

2004 Buick Rainier Ignition Coil Replacement

I have a 2004 Buick Rainier (6 cyllinder). I just found out the 4th bank ignition coil is bad. Seems easy enough just looking at it (I just replaced a few of the spark plugs a few nights ago with no ...
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1answer
682 views

Why is there oil pooled around the spark plugs on a 2.0L Zetec in a 1998 Ford Contour LX?

I started to change the spark plugs on a 1998 Ford Contour LX with a 2.0L Zetec (4-Cylinder) recently. It's got just over 100,000 miles on it. According to the service schedule, they're due at ...
3
votes
1answer
282 views

How much longer than a copper plug will an iridium plug last (on average)?

I've been hearing a lot about iridium spark plugs lately. I have read claims that these plugs are more durable than copper plugs due to iridiums high melting point and anti-corrosive properties, but ...
7
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1answer
721 views

What do i need to know when replacing a valve cover gasket

I have an oil leak from a cracked valve cover gasket that i want to replace myself. I bought the gasket nearly 6 months ago and i am apprehensive at doing it myself without sort of feed back as to ...