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Questions tagged [sparkplugs]

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

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6 votes
2 answers
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Is my 1999 blazer having transmission problems?

I have a '99 Chevy Blazer. It never wants to get moving right away. It takes 30 seconds to a minute before I can get fully going. It also shakes when I am at a red light or stopped. I noticed today ...
bret sensenig's user avatar
6 votes
2 answers
8k 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 ...
Sam's user avatar
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5 votes
2 answers
1k 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
PerT's user avatar
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5 votes
3 answers
47k 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 ...
user721015's user avatar
5 votes
1 answer
2k views

Do I change all four coils when I change one spark plug that is faulty

My nephew changed my spark plugs and coils. I have a 2011 Buick Regal and one of the spark plugs blew when I started it, so he removed it and replaced it with an old Prius spark plug. I would like to ...
Deborah Reid's user avatar
5 votes
1 answer
709 views

Sparkplug impossible to manually remove

The story is that the Mrs has got a little 2T scooter and managed to tank it up with some naff petrol that probably had ethanol additive or something and was sitting around in the garage for a few ...
Frank's user avatar
  • 210
5 votes
2 answers
33k 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 ...
Decoratordick's user avatar
5 votes
4 answers
16k views

Spark Plug porcelain fell into cylinder

I own a 2016 Ford Mustang Ecoboost. About a month ago, I had a misfire in cylinder 3. I Decided to just swap out all spark plugs, and only plug that gave me a problem to get out was of course #3. ...
mbritt999's user avatar
5 votes
5 answers
30k views

Side effects of small amount dirt from spark plug well

I was changing a bad spark plug on my F150 4.6L V8 and despite cleaning the spark plug well as thoroughly as I could muster (rearmost cylinder and under the dash pretty well so very little clearance) ...
VincentAlpha's user avatar
5 votes
2 answers
8k 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% ...
techturtle's user avatar
5 votes
1 answer
6k 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 ...
user23345's user avatar
5 votes
2 answers
57k 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:...
Balázs Vincze's user avatar
5 votes
2 answers
7k 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 ...
I have no idea what I'm doing's user avatar
5 votes
1 answer
2k 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 ...
rxmnnxfpvg's user avatar
5 votes
2 answers
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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5 votes
1 answer
4k views

Engine starts with carb cleaner

I have a motorcycle that will turn over but not start. When I spray carb cleaner into the carb and crank it the engine fires up. Does this mean that the engine is getting spark but not fuel and that ...
Broham's user avatar
  • 247
5 votes
3 answers
16k views

Pop out spark plug: Can drive to the garage?

I have a Dodge Caravan 2008 3.3L and the ceramic of one spark plug break and pop out leaving the hole free in the cylinder. I want to get my car to the garage near ( 7-8km ). When I start the engine I ...
Jean-Francois Gallant's user avatar
5 votes
2 answers
32k views

Should I change one spark plug and wire or all of them?

2 days ago I felt that something isn't right with my Ford. A mechanic told me that he wants to replace all four spark plugs and wires but could I just change the one? I'm scared that he's ripping me ...
nadine coetser's user avatar
5 votes
1 answer
662 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 ...
Robert S. Barnes's user avatar
5 votes
2 answers
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 ...
MDMoore313's user avatar
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5 votes
1 answer
115 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 ...
Selina's user avatar
  • 51
5 votes
2 answers
3k views

My 2008 Hyunai Accent is misfiring on two cylinders, bad gas?

Update: So I went full steam ahead today. Got the new valve cover gasket ($20.99 at AutoZone), unscrewed all the 10mm bolts, pried the cover off, hey! No obvious breaks in the seal! Well, that's good ...
jlehenbauer's user avatar
5 votes
3 answers
26k views

RPM drop when coming to a stop in neutral, Civic 06

Let's say I'm getting off the freeway, I press the clutch, shift out of 5th to neutral. At that moment my Civic DX would usually drop to about 1000 rpm at idle. For the past month it drops too low, ...
Ronaldho colindres's user avatar
5 votes
0 answers
5k 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 ...
precision's user avatar
  • 183
5 votes
1 answer
182 views

Ford Expedition knocking and repeated spark plug wire failures

Is this the underlying problem or a symptom of something else? I have a 1999 Ford Expedition that has a knocking and pinging problem. Two different mechanics have narrowed it down to the ignition ...
Brian H's user avatar
  • 151
4 votes
2 answers
3k 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 ...
ceefax12's user avatar
  • 1,242
4 votes
3 answers
60k views

Should I use lubricant or not when installing these spark plugs?

This is question came up while trying to diagnose ignition coils unseating. I used anti-seize lubricant on the currently-installed spark plugs. I'm planning to install a new set of three NGK DCPR8E ...
alx9r's user avatar
  • 183
4 votes
1 answer
17k views

Do I Need to Ground the Spark Plug When Testing

When I'm using a known good spark plug to test spark at each wire, do I need to ground the threads of the plug to the engine block like the guy in this video is doing? What happens if I don't ground ...
Robert S. Barnes's user avatar
4 votes
2 answers
384 views

How do I remove all this silicone on my used vehicle?

3 weeks ago I bought a used 2009 Camry le last week the engine light came on and the reading said change ignition coils and spark plugs im pretty handy watched a video and ordered the plugs and coils ...
Ava's user avatar
  • 43
4 votes
2 answers
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, ...
Friendly King's user avatar
4 votes
1 answer
2k views

Small spark can be seen after replacing spark plugs

I have replaced spark plugs for my 2005 vw fox. I noticed that in one cylinder I can see a small spark coming from the spark boot. It only appears on one spark wire. Do you guys know if this is ...
Mantelijo's user avatar
  • 139
4 votes
1 answer
5k 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 ...
Greg McNulty's user avatar
4 votes
3 answers
660 views

What is better for sparkplugs, inconel super alloy or iridium?

I am buying new sparkplugs for my 2006 Volkswagen Passat 2.0T and i purchased pulstar be1h10 sparkplugs with a plasma core, but i am now being told that they are not good for my car because they arent ...
AsapTurtleNeck101's user avatar
4 votes
2 answers
10k 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
Cameron's user avatar
  • 121
4 votes
1 answer
4k 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 ...
user3634713's user avatar
4 votes
1 answer
338 views

Antique Briggs & Stratton 23A-FB spark plug

I got an old Briggs & Stratton stationary engine. In order to check the spark plug I was removing it from the head and I noticed the thread of the spark plug is surprisingly wide (16mm). Since the ...
Yanick Salzmann's user avatar
4 votes
4 answers
22k 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 ...
Robert S. Barnes's user avatar
4 votes
1 answer
13k 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 ...
Rodney Schuler's user avatar
4 votes
3 answers
5k 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 ...
user avatar
4 votes
1 answer
321 views

broken spark plugs in a 94 Ford Ranger

I broke a spark plug in my 94 Ford Ranger. Everything came out except the threads and the metal casing. The problem I'm having is the easy out will not fit in far enough to grab ahold of the casing ...
joseph's user avatar
  • 41
4 votes
1 answer
1k 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.
Zero's user avatar
  • 428
4 votes
2 answers
19k 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 ...
Alec's user avatar
  • 291
4 votes
4 answers
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 ...
user4271's user avatar
4 votes
1 answer
180 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 ...
JSK NS's user avatar
  • 141
4 votes
2 answers
2k views

Spark plug fell into cylinder and I can't get out

This is a on a 2016 1.6L Ford Escape. In picture 1 you can see the spark plug in trouble - it is too deep for some reason, we got the old one out but when we put in the new one, it fell too deep. The ...
Zebert's user avatar
  • 41
4 votes
2 answers
1k views

What do the colored rings on spark plugs mean?

On the white part of spark plugs there are those colored rings. In amount ranging from 0 to 4. What does the amount of rings refer to? And what does it's color refer to? Is it just aesthetics?
Andreas Furster's user avatar
4 votes
2 answers
422 views

Squeaking when driving

I have a 99 Ford Windstar that I just bought from a friend. We had to replace the starter before driving it bc it sat for a long time. The squealing sound happens as I drive and does stop the more I ...
Diane V Garber's user avatar
4 votes
1 answer
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 ...
gardenair's user avatar
  • 131
4 votes
1 answer
637 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 ...
Mick MacCallum's user avatar
4 votes
0 answers
635 views

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

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 ...
JTIM's user avatar
  • 143