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

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83 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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2answers
9k 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 ...
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4answers
2k 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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votes
1answer
131 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 ...
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2answers
2k 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 ...
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1answer
395 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 ...
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0answers
19 views

Which gapping is for my car 1999 E320 4matic sedan

Okay I've been looking all over trying to see if there is any information but i haven't came across one. Asking for help I'm about to replace all 12 plugs need some answers so I start gapping. I ...
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0answers
100 views

Engine not functioning properly at idle (cold or hot), during driving, slow acceleration, does not increase speed

I have a VW POLO (6N2) - 1.4 (60Hk), from February 2000. After the car was standing still for 2 days in a rural area close to a stream (damp environment), the car had issues with being idling. Even ...
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55 views

Ford Expedition ignition cable problem

Is this the underlying problem or a symptom of something else?? I have a 99 Ford Expedition that has a knocking and pinging problem. Two different mechanics have narrowed it down to the ignition ...
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2answers
1k 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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3answers
274 views

Can I run on 7 cylinders if I shut the injector to that cylinder off?

I have a 2006 F150 5.4 Triton 3 valve. I've had a really bad issue, where a socket is stuck in my spark plug chamber and everything has failed to get it out. The option I'm left with now is ...
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2answers
167 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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3answers
2k 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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votes
2answers
442 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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votes
1answer
243 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 ...
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3answers
652 views

How to Clean Lightly Fouled Spark Plugs

My car was running without a thermostat for a few months after I put in new spark plugs. The plugs are a bit fouled ( not horribly so ) and I was thinking about cleaning them. I've seen suggestions ...
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1answer
241 views

Engine Turns Over Gets to 500rpm, Shakes, Then Loses Power After Spark Plug & Wire Change

I drive a 1994 TOYT Camry LE 2.2L Coupe. A couple days ago while I was driving, I stopped at a stop light and my engine block started shaking the whole care at low speeds and idle. I replaced the ...
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1answer
509 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
3k 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 ...
3
votes
1answer
36 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 ...
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4answers
7k 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 ...
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1answer
37 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
1k 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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1answer
2k 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
466 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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62 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 ...
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3answers
178 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
2answers
140 views

Replacing Spark Plug with Laser Iridium NGK Spark Plug

I have 2012 KTM Duke 125 at 10 000 miles (16k kilometers). I am the third owner of bike for 2 years. Whenever i twist the throttle fastly, motorcycle is chocked up. So i thought the problem could be ...
2
votes
1answer
750 views

Is it dangerous/damaging to start an engine with a spark plug removed?

Rookie question here: If I want to test for spark, the most obvious thing seems to be to disconnect the gas line, remove the spark plug, plug it back in, ground the outside turn the ignition, and ...
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votes
2answers
130 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 ...
2
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1answer
4k 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 ...
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2answers
1k 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 ...
2
votes
1answer
48 views

Does electrode size/shape matter?

I have an 84 Ranger and I recently bought some new spark plugs for the motor. I noticed that the old electrodes were huge compared to the brand new ones I just bought. Does the size of the electrode ...
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2answers
1k 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 ...
2
votes
1answer
370 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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votes
2answers
1k 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 ...
2
votes
1answer
157 views

2011 Mini Hardtop Sparkplug

I would like to know whether I can use NGK 90223 spark plug on my R56 - 2011 Mini Hardtop(~50k miles). The original spark plugs on it (Beru 12ZR6SP2) seems to have worn and engine is misfiring under ...
2
votes
3answers
2k 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 ...
2
votes
3answers
6k 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 ...
2
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1answer
899 views

Coil Pack Location

Where are the coilpacks located in a 1998 Buick LeSabre? Images would be most appreciated. Robert
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2answers
61 views

Coil popped out of head

I've got a 1999 F250-SD XLT 4×4 that the coil just popped out of the head what would cause that? I've not done anything to it yet
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votes
2answers
226 views

Plugs: One side dirty, one side clean?

I was just inspecting some plugs and noticed that on each plug, one side was relatively cleanish, while the other side was dirtier and had built up deposits. Why would one side be significantly ...
2
votes
1answer
105 views

What do you do with dielectric grease on spark plugs?

There seems to be a lot of conflicting answers on what you're supposed to do with dielectric grease. The instructions on the grease I bought says to squeeze it into the boot, but everywhere I've read ...
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votes
1answer
110 views

Spark plug wires arcing when car is cold

Around one month ago I have replaced my spark plugs and respective wiring. Everything was fine to until one week before, when the car started to misfire (struggle?) in the morning when car is cold. I ...
2
votes
1answer
145 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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0answers
124 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 ...
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0answers
19 views

Broken spark plug stuck/seized in place [duplicate]

Changing spark plugs to a 2002 chevy cavalier last one broken and stuck! Tried soaking with wd40 & PB Blaster but still not moving...any advice?
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2answers
299 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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1answer
1k 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 100,...
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3answers
3k 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 ...