Questions tagged [sparkplugs]

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

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23 views

I have a 2008 Ford Expedition XLT

I have a 2008 Ford Expedition XLT. While changing my spark plugs I didn’t push them down as far as was required therefore on two of them the hook broke off and now it’s making a clacking metal sound. ...
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1answer
80 views

Why can't I get a spark?

I have an early 70's Honda SL125 engine and I'm trying to wire it up so that it can run without the battery. I found this guide http://waynescyclegarage.mysite.com/custom.html and I've followed it and ...
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1answer
10k 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 ...
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18 views

Posibly Wrong Spark plug gap?

So this is an update on my last question, the comments were a mess and I was new to the site I have a 1985 nissan 300zx vg30e and I just changed the spark plugs and its idling really rough and at ...
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1answer
635 views

Sparkplug ground electrode burned off

2010 Ford F-150 5.4 3valve did a tuneup changed sparkplugs and coils with correct Motorcraft plugs and AC Delco COP’s now I have burned off 2 ground electrodes in less than 100 miles. No codes on the ...
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5answers
14k 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) ...
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5answers
3k views

96 Civic - Car loses acceleration, doesn't start, shuts off

My 96 (or maybe 97) Honda Civic does some strange things. They are all connected. It will frequently refuse to start. It's not a battery/alternator issue, as it's trying to crank. It just ... refuses....
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1answer
114 views

Busting spark plugs every hour

What is happening when a vehicle keeps busting a spark plug every time you put in a new one?
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1answer
541 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 ...
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1answer
35 views

spark plug gap gets smaller

so im trying to get my atv running and i took out the spark plug and realized that the center electrode and ground electrode was touching no gap at all so i pulled them apart and put it back in tried ...
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1answer
84 views

2009 Ford Escape Hybrid - Ignition Coils and Spark Plug Replacement

I've purchased the parts and done my research. Basically, I am seeking some insight here to gauge if my understanding of the procedure is sufficient, that I have acquired all the necessary parts, and ...
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1answer
71 views

F150 blew out Dorman plug patch kit, safe to drive?

I have a 2005 F-150 STX (4.6L Triton) in which the spark plug in cylinder 3 blew out. I hired a mechanic to install a patch kit (he used the Dorman Help! Kit) and that kit itself also blew out of the ...
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2answers
20k 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, ...
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3answers
801 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. ...
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1answer
52 views

Is it safe for me to drive home?

I have a 2009 Honda Fit, I had the spark plugs replaced but I’ve been having trouble with the 4th cylinder. I got it looked at two weeks ago but now it’s doing it again. My car smells of gas and there’...
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7answers
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How do cars drive through deep water as shown on many videos online?

I have read many warnings about driving a car through deep water. Some problems that this can cause is destroy the catalytic converter and in petrol engines water can cause damage to spark plugs. And ...
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2answers
6k 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 ...
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2answers
59 views

Ignition coil replacement

My girlfriend has a 2007 Nissan Sentra with 160000 miles on it. She does not think the spark plugs have ever been replaced which leads me to believe that the ignition coils have also never been ...
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2answers
286 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?
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3answers
86 views

Does the electrode of a spark plug break when the engine runs too hot?

I have an Audi A5 1.8 TFSI Sportback from 2011, bought it recently (4 months ago), which ran fine until two weeks ago. The engine went through diagnosis and the operator showed a broken spark plug to ...
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3answers
128 views

Wounded and beat by a spark plug that won’t be beaten

I am working on a friends car they just recently got and he went to change the spark plugs only to find out that it was cross threaded but I do t think the car even had 100,000 mi on it yet and the ...
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2answers
57 views

I have a Ford Expedition and my spark plug is broken

Here is my broken spark plug. The porcelain is not letting the 'easy out' do its job. How can I take it out?
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1answer
3k 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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0answers
54 views

New car 10k miles with spark knock detonation. Do my plugs look good?

I have a Ram 2018 Promaster city van I bought brand new with zero miles. At around 4000 miles the van's engine light turned on so I took I to the dealership and they replaced the MAP sensor. At 4500 ...
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0answers
17 views

2003 GSX-R600 Sporadic Performance after running

I have 2003 gsxr-600 i just bought used.. Ran great for a few months but now is giving me problems... Started running terrible and noticed Cylinder4 wasn't firing.. Pulled the spark plug and noticed ...
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2answers
231 views

Dropped sparkplug from a small height, is it still fine?

I've replaced the coil pack and fitted new spark plugs. However, the salesman, while handing me the plugs, accidentally dropped two of them on his table. I remember them dropping from about 2 inches ...
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2answers
137 views

Broken spark plug + Broken puller

My 2006 Ford Expedition 5.3L Triton 3-valve with ~140K miles has a broken spark plug in cylinder #3 (passenger side, 2nd from back). My mechanic tried a well-used puller, but it wouldn't grab. He then ...
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4answers
10k 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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0answers
115 views

Mechanic said I put wrong fuel on my car, I know I didn't. What can I do? Who is to blame?

I have a Toyota Yaris hybrid from 2018. Last saturday my tank was half-way full, but I had to buy some things at the gas station and decided to purchase 7 or 8 litters of unleaded gasoline (10 euros). ...
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2answers
9k views

What kind of spark plug should I choose for LPG conversion?

I recently had an LPG system installed in my Golf MK4 and now the car has some hesitation when accelerating. The mechanic who installed the LPG System told me that I need to change my current (cheap, ...
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4answers
15k 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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4answers
10k views

2000 Honda Civic Won't Start after Replacing spark Plugs

My 2000 honda civic ex 4-dr sedan seemed like it was misfiring. I decided to check the spark plugs to see if that was the issue. I replaced the spark plugs. The car would turn over however the ...
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2answers
958 views

Impact wrench on spark plugs?

'07 Cobalt LS, vanilla 2.2 I may have to remove the (probably 10-year-old) spark plugs, which I suspect may be stuck. If so, I'm wondering if it would be prudent to hit them with an impact wrench ...
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1answer
48 views

Fourth piston isn't sparking so car is losing power

What are the possible reasons that my fourth piston is not sparking. I am pretty sure the spark plug is broken but I am not sure. The car is a 2006 Scion XB. Thank you.
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1answer
65 views

dying on fast acceleration + blackened spark plugs, but no problems on idle

I drive a 1990 Audi 80 b3 with 2.0-liter gasoline engine (I have no idea what the correct term is in English since it is not my native language, so please excuse me my mistakes). Today I encountered ...
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1answer
30 views

High mileage gap increase or decrease?

Should spark plug gap be changed lower or higher for higher mileage vehicles? My Benz has over 240k. I've gapped the plugs to oem spec can't remember right now, but should I reduce or increase gap ...
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81 views

VW Fox misfiring

I have a vw fox 2006 1.2 and have had it for just over 3 months. I have noticed it starts to misfire and the engine loses power sometimes coming to a complete stop after a stall or judder when revs ...
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0answers
261 views

Sudden rattling during acceleration, check engine light

I am trying to diagnose a problem, that suddenly occurred with my dci 2.0 Nissan Qashqai +2. During acceleration, I heard a strange noise, after which the motor started sounding completely ...
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1answer
28 views

Craftsman Leaf Blower wont start, ignition coil failure?

In a previous question I asked about repairing a carb for my leaf blower and the repair didnt hold so I bought a new one. Replaced fuel filter and fuel lines, also replaced the carb gasket. I seem to ...
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1answer
6k views

Where do spark plugs get their electricity?

Where is the electric charge coming from and does it have a large amount of electric charge to it?
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11answers
42k views

Spark plug broke off in engine - can I drive the car?

I own a 2004 Volvo XC90 T6 2.9L AWD with 6 cyl. (Twin turbo, with catalytic converter.) While changing the spark plugs, one broke-off (all the ceramic below the threads and possibly the metal finger ...
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1answer
14k views

How do I know when to change my spark plug

I ride a Piaggio scooter with a single cylinder engine. Recently I broke down and the engine wouldn't restart. It turned out the spark plug was stuffed. How can I ensure that doesn't happen again?
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1answer
45 views

How can I understand which will my car needs new sparkplugs? by ODB

I have bought an OBD2 Android. I saw many parameters in that. I was confused. But I want to know which will my car needs new sparkplugs? of course by OBD parameters.
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0answers
23 views

Sym jet sport 50cc 2 stroke cutting out

Starts up fine from cold, can ride it for around 5mins then cuts out and won’t start until cold, it’s got a good spark, competition and is getting fuel. I’ve change the spark plug, ht lead and ...
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7answers
2k views

Help with spark plug stuck upside down in well

I am installing new spark plugs in my 2013 Chevy Cruze and I dropped a spark plug in the well upside down. I tried to get it out with 8" needle noose pliers but it will not budge. Any help would be ...
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1answer
63 views

Missing spark plug, broken rear timing chain guide?

On a 2004 ford explorer v6. I had a mechanic tell me the rear timing chain guide went. Upon getting my vehicle to the house I noticed a single spark plug sitting on the front deck on the plastic ...
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6answers
21k views

Car shutdown / won't restart after driving through puddle (2006 Pontiac G6)

I have a 2006 Pontiac G6. Yesterday our streets flooded from the rain. While driving my kids too school at 7:30am I drove through a large puddle of water that I didn't see. As soon as I got out of the ...
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1answer
60 views

knocking at very low rpm (borderline stalling)

i have VW jetta 2.5 (manual) when i go uphill slowly in to second gear or in reverse, without throttle. due to very low engine speed (probably 150-350 rpm). i get weird knocking/pinging sound. is it ...
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1answer
177 views

Spark Plug Gap Ranges

I recently changed the plugs in my 07 Honda Goldwing and after reading lots of material and articles about which plug was considered better I went with an NGK Iridium and followed all the technique ...
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3answers
5k views

Why one should not leave fingerprints on bulbs and plugs?

I have read that one should not leave greasy fingerprints on their spark plugs or on their light bulbs. Why is this a thing? On what else one should not leave fingerprints? How does one avoid leaving ...

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