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

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153 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 ...
3
votes
1answer
191 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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0answers
33 views

Misfiring plugs [closed]

My Kia Sportage has been running on only two of 4 cylinders. The 2 plugs don't fire at all even when they are replaced. The coil works perfectly if they are interchanged. Wires are in perfect ...
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4answers
35k 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?
3
votes
1answer
782 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 ...
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votes
1answer
100 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 ...
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votes
1answer
9k views

How to diagnose a bad spark plug?

What I always did up to now to check if my spark plug was doing fire : Remove it. Keep it plugged into the spark plug cable. Ground it on the frame. Start and check if sparks happen. If they are ...
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0answers
18 views

Iridium spark plugs [duplicate]

I looked at different choices for spark plugs for my 2007 V6 Tacoma on RockAuto and here is the summary of categories: Copper (higher conductivity than platinum/iridium & shorter lifespan) ...
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1answer
123 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 ...
2
votes
1answer
331 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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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 ...
3
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2answers
508 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
3k 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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1answer
885 views

No spark on my new motorcycle

I recently purchased an 81 Suzuki GS450L, my very first bike. I'm not getting a spark. When it dies, it does so silently. No backfire, sputtering, etc. My first thought was that it had aftermarket ...
3
votes
1answer
224 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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0answers
201 views

Burned spark plug melted cylinder head [closed]

I just had a catastrophic failure in my 2005 Honda Pilot. The check engine light started flashing and the engine was running rough. Felt like a spark plug wasn't firing. Limped it to the shop where ...
4
votes
1answer
81 views

Gapping New Spark Plugs from the Dealership

In general, if I buy plugs from a dealership which looks up which plugs I need based on my cars VIN or license number, do I need to worry about checking the plugs gap, or can I just assume they will ...
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votes
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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2answers
93 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 ...
2
votes
1answer
339 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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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?
4
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0answers
52 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 ...
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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votes
2answers
125 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
votes
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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votes
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 ...
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1answer
78 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?
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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 ...
3
votes
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
38 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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3answers
170 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
142 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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vote
1answer
462 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
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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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votes
2answers
3k 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 ...
4
votes
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 ...
4
votes
1answer
128 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 ...
5
votes
2answers
5k 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
1k 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
287 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
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 ...
3
votes
1answer
389 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
517 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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2answers
2k 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 ...
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votes
2answers
1k 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 ...
12
votes
5answers
3k 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 ...
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votes
1answer
12k 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 ...
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votes
2answers
767 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
2k 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
442 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 ...