Questions tagged [sparkplugs]

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

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1answer
52 views

Frozen spark plug in a 2008 3V 5.4L F-150

I was able to successfully change the spark plugs around 75k with no issues breaking off the two piece plugs. I replaced them with Motorcraft plugs. Fast foward to the present at 133k miles and due to ...
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1answer
26 views

Is excessive greasing of coil pack terminals standard practise?

I was swapping out some coil packs and found the ones in my car were packed with a ton of greese. Im quite impressed the vehicle was running at all with that much greese between the terminal and the ...
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143 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 ...
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70 views

How to tighten spark plugs properly?

Hyundai coupe 2.0 2006 I cannot see it in the owners manual. Can anyone tell me what the torque setting for spark plugs on this vehicle are? How can I do this properly without a torque wrench. I’...
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50 views

Honda Interceptor 1987 Spark Plugs getting carbon fouled within seconds. Vehicle idling louder than usual

I recently installed a new engine on my Interceptor. After riding for about half an hour the bike petered out. I left in in the garage for about 7 months before installing new spark plugs. This got it ...
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1answer
42 views

A single spark plug out of 4 (4cyl 1.4 MPI endine) keeps getting carbon buildup

A single spark plug out of 4 on our 1.4MPI engine keeps going dirty from carbon buildup. This causes engine issues (losing power). After being cleaned it's fine for a while, but the issue returns ...
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1answer
15 views

2008 4.6L mustang

I have been looking for spark plugs for the old H code engine. It is a fine thread and used a 5/8 socket. Its a 2008 ford gt mustang. Any ideas of what soark plug would work? Thank you in advance
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26 views

Upstream vs Downstream O2 sensor | Maintanance

I had my car checked up last year and the mechanic said that I will have to replace the oxgyen sensor. I at that time did not have it replaced. Recently I noticed that my car Mini Cooper 2011 started ...
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Spark Plug Information After Spotting a Lot of Incorrect Information on Here [closed]

Spark plugs are at the centre of the ignition system on all petrol-based vehicles. Some are copper cored as copper is a good conductor of electricity. NONE have copper electrode tips, as they would ...
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1answer
55 views

Will replacing spark plugs fix this? [closed]

My husband and I purchased a 2011 Mazda 6 2-3 months ago. It had 71,000 mi on it when purchased. One accident, but only cosmetic. A few weeks after driving it, I noticed some jerking when coming from ...
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What, if anything, does “Spark plugs starting to blow through” mean?

I just took my old car (2004 Toyota Wish - 1.8 litre petrol engine, 185000km) to a mechanic for a basic service and warrant of fitness. The vehicle passed the warrant, but I was advised "spark plugs ...
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38 views

Melted spark plug on 50cc scooter

I recently adjusted my valves on my wolf v50 scooter. I put a new cdi box new plugs and took off the air filter box and on a cone filter on it. It ran great then all a sudden it just died as i was ...
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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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19 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
548 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
39 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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2k 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
53 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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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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68 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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3answers
178 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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62 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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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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674 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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136 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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65 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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1k 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
49 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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3answers
131 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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1answer
48 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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677 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
124 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
46 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
53 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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35 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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97 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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1answer
71 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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2answers
172 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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1answer
61 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
203 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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77 views

Evaluation Of Spark Plug

I pulled this spark plug from an engine that sat for a while. I’m wondering if any details regarding the running condition can by inferred from the picture.
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what are possible indications that the spark plugs of my motorcycle need replacing?

Is there a way to find out, without taking the motorcycle to a garage, that the spark plugs need changing? In other words, if one or all of the sparking plugs of my motorcycle are worn out or need a ...
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1answer
237 views

Spark Plug Cross Reference (Denso IK24C11)

I am replacing the spark plugs on my engine, and the manual calls for Denso IK24C11 plugs. However, it does not appear that Denso makes these any longer. I cannot find them on their website (although ...
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1answer
77 views

Spark Plugs Maintenance

I just changed my first set of spark plugs. I tend to think most things are just an excuse for companies to sell us things. I took a picture of spark plugs replaced out of my Mazda 3 after about 100,...
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42 views

Quick fix? Or major problem? Please help

Help, 02 honda civic lx coupe cranks but will not start. I bought the car less then 3 months ago put used rebuild trans in it seemd fine then what seemed to be running hot but with no warning signs so ...
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514 views

Analysis of spark plugs [PHOTO] and fuel trims

Again, this is a 2002 Nissan direct injected engine (QR20DD). By judging spark plugs, I assume that the air / fuel mixture is not rich. May be some kind of a lean condition? But the issue is fuel ...
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1answer
1k 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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54 views

Oil Pressure Sensor

I recently just had my valve cover gasket replaced due to an oil leak. for some odd reason, the red oil light now lights up on my dashboard. I wasn't due for an oil change til the end of this month ...
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1answer
66 views

Do spark plugs need changing if one ignition coil cable broke

A friend of mine had one of their ignition coil snap in half, which meant one cylinder wasn't firing. She drove for approximately for 10km, before getting back home and finding out what was wrong. We ...

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