Questions tagged [spark-plug-wires]

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What are the pros and cons of using distributor per bank vs single bigger distributor on a dohc v8 for example?

early Ferrari 308 models used a distributor per bank that worked on their respective bank , but on later 308s they switched to a single bigger distributor that worked for both banks. What would be the ...
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2 answers
121 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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1 answer
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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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2 votes
1 answer
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Testing for a misfire

I recently bought a relatively cheap hantek oscilloscope off of amazon so that I can test some of the sensors more precisely, But now I'm curious. Can a T-pin be backprobed into the coil pack of the ...
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2 answers
6k views

Driving with spark plug that was completely loose

Could it cause a lot of damage to the engine if I drove my 1989 Toyota Corolla approximately 11km before I realized what the problem was?
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1 vote
4 answers
1k views

Can spark plug wires affect fuel consumption

I am experiencing a drastic drop in mileage so far everything seems fine with the car so I cannot find the reason for now, but recently I replaced the spark plug wires I think it's unlikely that they ...
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1 answer
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Spark jumping off wires and into any ground near them. Wires are new

I have an old opel astra 2.0 8v. Thing is car idles rough and you can feel it misfiring very often, mostly at idle. In the dark you can see 3 of 4 cylinders have the spark jumping off the wire boot ...
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1 answer
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Two spark plug wire failures in two days?

I've got a 2003 Kia Rio (4 cyl) that started shuddering on me yesterday. When I got home I found that the cylinder 3 spark plug wire had gone bad. Sparks were coming out the side at an apparent ...
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1 answer
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After mechanic work, car starts fine but accelerating stalls the engine

I own a 2003 Mitsubishi Lancer, and have been the only owner and mostly the only driver. About a year ago I had a weird misfiring problem where if I pushed the accelerator down more than half way it ...
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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 ...
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3 votes
2 answers
7k 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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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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Spark coming from distributor cap pin

recently I have noticed some random engine misfires. I've checked my spark plugs and wires and haven't noticed anything unusual. I have checked for sparks at night and there were no sparks coming from ...
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1 answer
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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 ...
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657 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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1 answer
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Should bikers keep one spare spark plug in kit always?

Question would seem like opinion based and likely to be closed. But I don't it to be treated that way. My motorcycle is 2009 Honda Stunner 125 cc, already ran 59000 kms. It has started giving white ...
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3 answers
156 views

What kind of wear does a spark plug cable go through?

I'm about to change spark plugs on my car, and given the cost of getting just the plugs or plugs + cables, I'm considering just keeping the current ones. The car runs fine (well, it's consuming way ...
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11 votes
4 answers
28k views

What is gained with "performance" spark plug wires?

When heading to the store to pick up a new set of spark plug wires, I found three products at this particular shop: Product #1: Price: Cheap Boots: EPDM Core: Suppression Insulation: EPDM Max Temp: ...
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1 answer
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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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3 votes
1 answer
8k views

Is it necessary to change the leads when changing spark plugs?

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 spark plugs?
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