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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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1answer
46 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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2answers
46 views

8th Honda civic engine rotations surges

Due to bad gasoline on the highway the spark plugs are worn. There was an evacuation of the car and then it got to the mechanic. Old spark plugs (iridium) were replaced with new (iridium too), after ...
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0answers
16 views

What are the longest spark plugs?

Specifically, I'm looking for spark plugs with lengthy electrodes for an engine I'm building. Longer than 2 inches would be ideal.
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1answer
35 views

Ignition coil upgrade

My motorcycle felt unresponsive these past few days and found out that it was caused by a weak spark because the ignition coil is about to go bust. Since I am thinking about doing an upgrade to a ...
2
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1answer
64 views

Normal spark plug vs platinum [duplicate]

Is there any disadvantages or bad impact of using platinum spark plug instead of normal plug, even if the manufacturers recommended to use normal spark plug .like (Mitsubishi Lancer GLX automatic)
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1answer
57 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
28 views

Honda SOHC spark but no ignition even with starter fluid

i'm restoring an Honda SOHC engine 250, i fixed the full electrical system and i can see the spark testing it near the engine. (Not sure if gap is correct of the new spark plug), there is compression ...
2
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1answer
42 views

How can I diagnose what's causing oil on spark plug threads?

I changed the spark plugs for the first time on my 2008 Mazda3, ~118k miles. Three of the four plugs had oil on the threads, on the top of the plug (where the wrench sits), and on the electrode. The ...
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1answer
55 views

Proper spark plug gap

What is the gap for a 98 ranger 3.0? The stickers under hood are gone and there is no book in glove box. I just bought this truck and have nothing to go on.
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3answers
185 views

Do you change spark plugs every service?

I notice that mechanic make a point that they change spark plugs annually i.e. every yearly service. However it seems to me spark plugs can have a long life e.g. google says they are four fifths worn ...
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1answer
200 views

Broken spark plug porcelain not letting easy out do its job

how do I get an easy out past porcelain easy out not grabbing and porcelain is not breaking
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0answers
43 views

Car shakes upon startup, dies. Other times gas pedal does not respond

I'm pretty uneducated when it comes cars but im hoping you guys can help me. I have a 99 Ford Ranger that upon startup (not every time) shakes extremely hard and then dies. Other times when driving I ...
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0answers
46 views

Can I use a DC ignition coil for my motorcycle without damaging anything?

Last night I followed this guide I found on the internet http://waynescyclegarage.mysite.com/custom.html showing you how to rewire a Honda SL engine so that it can run without a battery.. and I got it ...
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1answer
46 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
50 views

Why do car manufacturers use different brands of spark plugs simultaneously?

When I changed the spark plugs on my 08' 4Runner, I noticed it had alternating Denso and NGK sparks plugs in the engine. The manual has them both listed: Denso (K20HR-U11) and NGK (LFR6C-11). What is ...
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1answer
333 views

Does starting the engine with one of the spark plug wire disconnected damage the starter coil?

A friend of mine (he is not my friend anymore) decided to pull a practical prank on my new motorcycle. He pulled the wire of one of the spark plug (my bike has three of them in the cylinder) and let ...
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1answer
324 views

Broken ignition coil: spark plug's fault?

Two days ago my Opel Corsa D LPG's engine started to misfire, and by means of an OBD interface I found out it was cylinder 1. First thing I thought about were the spark plugs, as I haven't changed ...
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1answer
32 views

Will a previous valve cover leak effect what needs to be done while replacing spark plugs?

I had some leaking valve covers about two months ago, and was warned this meant I'd need to have some vaguely defined extra service done during the next tune-up or I'd risk ruining the new spark plugs....
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0answers
145 views

Spark plug arcing during removal, engine off.

What could cause the spark plug to arc off the socket and exhaust manifold when removing the spark plug? Obviously the ignition was in the off position. This same plug tends to get carbon deposits ...
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0answers
90 views

BMW 118i N46 - spark plugs & car battery recommendation

I recently bought a 2006 BMW 118 (E87) and I want to change the spark plugs as well as the battery cause the previous owner has installed an LPG system. I don't plan on removing it because where I am ...
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1answer
634 views

Broken spark plug white portion cracked

The white portion of the spark plug cracked while i was twisting it off and now i cant get the plug out and the 10mm for some reason wont get out either
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2answers
60 views

Actual amount of time required to change spark plugs in a 2003, Ford Ranger XLT, 4.0 L, 6 cyl

I would like to know what the actual amount of time is for a trained mechanic to change the spark plugs in a 2003, ford, ranger xlt, 4.0 l, 6 cyl., 4 WD, automatic ? The local Ford service/dealer ...
4
votes
1answer
47 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 ...
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2answers
101 views

What this motorcycle engine plug tell about the operation inside engine?

What does this plug tell about the inside operation of the engine? I can't find any plug that looks like this in any online charts.
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2answers
190 views

Why do the spark plugs need to be replaced periodically?

I have a Toyota Etios Liva Viera Limited Edition car, 3 years old. Last week, I took the car for the yearly service at the authorised service centre. The service person said that the spark plugs need ...
2
votes
1answer
771 views

How do I remove debris from spark plug well (without damaging the head)? [duplicate]

The problem is that either someone didn't use anti-seize or someone forced in the plugs wrong (or both) because I've had the jolliest time trying to remove them from this 2002 Nissan sentra 1.8. I ...
2
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2answers
336 views

Why are my new spark plugs doing this?

I have a 2006 Ford Mustang V6 4.0L. I just purchased these Bosch 6715 platinum spark plugs and installed them. I took them out because I noticed air was coming out of the spark plug socket. When I ...
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0answers
59 views

Car Hissing on Neutral After Checking Spark Plug

So last night, two days after examining one spark plug and putting it back in, I noticed a hissing sound from the front of the car. This hissing goes away completely when I press the clutch pedal in. ...
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2answers
120 views

Spark plug analysis [Photo]

I noticed some performance issues while accelerating and today, I decided to pull my spark plugs out and check their condition. This is a Nissan car with 2L NEO Direct Injection engine and they have ...
2
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2answers
130 views

Is this plug fouled due to being too cold?

When changing the plugs on my 99 Nissan Almera 1.6L I noticed that the tips of all the plugs looked a bit weird with these white deposits ( all four look like this ): Upon closer inspection, I ...
4
votes
1answer
156 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 ...
6
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3answers
737 views

Black Spark Plugs that Clean Themselves

Vehicle: 2002 Mazda Protégé LX, 2.0L engine, automatic transmission, 240,000 km Recent Work: Thermostat replacement Symptoms: Owner reported that the car shook and stalled on startup. She parked ...
6
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1answer
757 views

What causes pink spark plugs?

Vehicle: 2000 Ford Windstar, 3.8L V6 engine, automatic transmission, 166,000 km, recently purchased, was brought to me for some torubleshooting and minor repairs Symptoms: Occasional hesitation ...
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5answers
614 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
76 views

Changing a tight old spark plug

Is it possible to ensure that no debris from broken spark plug insulator falls into the combustion chamber when changing an old plug?
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2answers
360 views

spark plug problem in service

I took my car in for a routine annual service at a local garage. During the service, a piece of debris from a broken spark plug fell into the engine. The garage says it was 'just one of those things' ...
4
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3answers
12k 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 ...
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3answers
3k views

Help please! Loud clicking/ knocking sound coming from engine

I really appreciate anyones time. I own a 2003 Pontiac Sunfire 5-speed manual with the 2.2L l850 Gm engine with about 320,XXX kilometres for reference. Anyways, so I went drifting last night and did ...
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4answers
55 views

Can you use Brillo Pads to get slight build up of carbon on spark plugs?

Honda Accord 1999 1.8 injection Can you use Brillo Pads to get slight build up of carbon on spark plugs?
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0answers
316 views

honda crv 98 idle too low and rough and eventual stall but ok when driving

(Excuse my english) My dad gave me a '98 honda crv. since it came from being serviced after an oil pump failure, it has no power when it's cold I have to press the gas until the engine warms up. I ...
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1answer
111 views

Car lost all power, garage cant fix it, spark plug / coil pack replacement?

I have a Corsa model D 2011 plate. 3 months ago it went jerky and lost most of its power. I took it in and they said it was coil pack and changed it. They didnt change spark plugs, so I did that ...
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2answers
593 views

What size socket to use on a 2002 ford explorer 4.6L V8 engine

I can't seem to get a socket to catch on the spark plug. I'm told it is a 5/8" or could it be 9/16"
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1answer
319 views

Sand like residue inside my engine bay area. Could it have been flooded…?

I just bought a car from a dealership (2013 Accord 2.4L) and I noticed today that there was sand residue near and around the engine. I was changing spark plugs today and also noticed dry powerdy sand ...
2
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1answer
163 views

spark plug connected to wrong cyllinder bmw 328i f30

I gave my car for service to the only BMW shop in town Rolfe Classic BMW in Canberra, ACT, Australia. The car is under warranty routine service so the spark plugs are replaced and they put the wrong ...
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3answers
2k views

Lack of power when cold under load

EDIT 8: Final update, I think. Using an OBD scan tool, I saw that the fuel trims were still very low to adjust for the vacuum leak. I reset the ECU and the trims went back to around 0, and the engine ...
5
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1answer
720 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 ...
4
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2answers
106 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 ...
3
votes
1answer
1k views

What is a spark plug terminal nut? [closed]

What is the role exactly? Lets say for example i put a studded terminal spark plug on a non loose spark plug in a vehicle, what would happen? Does it effect the way the current and voltage flow?
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3answers
4k 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 ...
2
votes
1answer
670 views

Misfire in single cylinder 4 stroke engine

I am having Apache RTR 180. Tech Specs:- Displacement: 177.4 cc Cylinder arrangement: Single Maximum Power: 12.52 kW (17.03 bhp) @8500 rpm Maximum Torque: 15.5 Nm @ 6500 rpm Bore x Stroke: 62....