Questions tagged [spark-plug-wires]

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11
votes
4answers
16k 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: ...
10
votes
1answer
5k 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?
4
votes
1answer
195 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 ...
3
votes
3answers
141 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 ...
3
votes
1answer
2k 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?
3
votes
0answers
198 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 ...
2
votes
1answer
24 views

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 ...
2
votes
1answer
62 views

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 ...
2
votes
1answer
3k 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 ...
1
vote
1answer
43 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.
1
vote
4answers
122 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 ...
1
vote
0answers
712 views

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 ...
1
vote
0answers
557 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 ...
0
votes
2answers
59 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?
0
votes
1answer
77 views

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 ...
0
votes
1answer
34 views

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 ...
0
votes
1answer
690 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 ...
0
votes
1answer
74 views

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 ...