Questions tagged [spark]

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When does the spark plug ignite the air fuel mixture?

Some people say it's at the end of the compression stroke, some people say beginning of the power stroke.. What do you guys think ?
venomx's user avatar
  • 289
2 votes
1 answer
337 views

Is it possible to have a good looking spark but but still not suitable for ignition?

I have a misfire on cylinder 1 unyet i have 4 great sparks with ignition timing and valve timing checked. I'm clutching at straws i know, but is it possible to have a long reaching spark bridging 20mm ...
Michael Sherpa's user avatar
0 votes
0 answers
19 views

2001 Kawasaki zzr600

I got the bike it had a burnt wire and didn't have a key so I put a resistor on the gray wire issue too so it would be 6 volts now I'm getting 12 volts to the coral but it still acts like it's not ...
Beverly Reese's user avatar
0 votes
0 answers
28 views

Wolf 49cc One spark at initial crank then nothing

My Wolf 2018 scooter only gives an initial spark when first cranking. Then it cranks and nothing. Turn key off and retry and same thing happens. I changed the cdi box and spark plug wire too.
Frank Bankard's user avatar
1 vote
1 answer
49 views

2017 Chevy Spark Drive Cycle Help

I'm struggling to get my OBD2 system ready for emmisons testing. I have been driving normally and still they're not all ready and I don't know what to do! Auto shops have no idea what I'm talking ...
Lowell's user avatar
  • 11
1 vote
1 answer
63 views

Small engine reliable spark only in wrong direction

I have a very old (date unknown but pre 1980 I think) Motowatt 1500s generator driven by a two stroke MAG motor. When I bought it it had no spark. After cleaning the points there was spark but only at ...
Yanick Salzmann's user avatar
7 votes
2 answers
1k views

Spark plug working fine in free air, but hard miss in engine

This is mostly a curiosity question as replacing the spark plugs solved the problem. I have a mercury 40HP outboard two stroke motor. It is a twin cylinder and after running it out of gas it began to ...
Brydon Gibson's user avatar
0 votes
0 answers
331 views

1987 Ford Ranger 2.3l Intermittent Spark

I have a 1987 2.3l Ford Ranger, the gas model, not the turbo diesel. It's been setting for a long time and had some electrical issues which we solved. Turns out the clutch sensor wire through the ...
Oxymoron's user avatar
  • 111
0 votes
1 answer
79 views

I removed a spark plug from my “98” Lincoln to replace it, when I went to put the new one in it wouldn’t set down in and tighten. Will canned air work

I removed a spark plug from my “98” Lincoln to replace it, when I went to put the new one in it wouldn’t tighten. Can I use canned air without a spark plug in the well?
Trenna's user avatar
  • 1
2 votes
2 answers
279 views

Engine oil in Coolant Tank and Coolant overflows

I have not drove my chevrolet spark (Beat in India) 2012 around a month, I started my car and it was fine. After approximately 30 kms, there was some mild sound from bonnet. So, I opened the coolant ...
Balaji Perumal's user avatar
0 votes
0 answers
44 views

1991 suburban 350 TBI no start

If in fact I do get a spark though it orange in color does that prove that the ignition control module is good? A little background here, she was running in park idling strong and stop running cold ...
Ed Hardy's user avatar
0 votes
0 answers
389 views

GY6 scooter spark plug getting voltage, but no spark?

I have a gy6 scooter that's not getting any spark, but I've done troubleshooting on the whole system (except the stator) and I can't find anything wrong. Every part I've checked from the stator power ...
user avatar
1 vote
2 answers
61 views

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 ...
Timothy Scherer's user avatar
0 votes
1 answer
35 views

Coolant and How much

I was wondering how much coolant my 2014 Chevy Spark LS needs. I have one gallon in my garage but is that enough.
Akeene O Richards's user avatar
1 vote
1 answer
197 views

Spark Plug Deposits

So, I pulled the spark plugs today to check to see how the engine is running. After pulling all 6 spark plugs, I've noticed there is a white deposit caked onto the spark plugs. I doubt this is normal ...
James Vargan's user avatar
10 votes
1 answer
901 views

Car only runs when I am cranking the car

I have a 1973 Datsun 240k that will only run while I’m turning the key and engaging the starter. As soon as I let go of the key the car immediately dies What would cause this?
Barney Chambers's user avatar
0 votes
1 answer
160 views

What components on a 1973 Datsun 240z would cause loss of spark

I have replaced the battery, spark plugs, spark plug leads, distributor cap, distributor rotor and ignition coil after my car started sputtering and stopped working recently What could I be missing ...
Barney Chambers's user avatar
0 votes
0 answers
203 views

Chevrolet Spark 2013 Blow Fan Sound

i have a Chevrolet Spark 2013.I've been hearing a periodic knocking sound like a hammer, whenever i turned on my blow fan.It happens even without changing the thermostat on ac or heat. I figured the ...
Themis Kontzialis's user avatar
1 vote
1 answer
55 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.
Atticus Denewmont's user avatar
0 votes
1 answer
93 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 ...
Sparky's user avatar
  • 1
2 votes
1 answer
427 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 ...
Bill Rayburn's user avatar
1 vote
1 answer
409 views

Weird object in cylinder head preventing spark plug install

My friend has an 04 Acura TL (Engine Model J32A3). The car was loosing power and shuddering and the engine light came on. It appears that each cylinder is misfiring. Below is a screenshot of the code ...
tqrecords's user avatar
  • 859
1 vote
0 answers
19 views

engine will not start

so me and a freind built a very identical single cylander bicycle engine kit and no matter what we have possible tried we can not get his to start (not even fire or pop once). so i got mine running ...
keatjam's user avatar
  • 11
2 votes
1 answer
668 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)
Riyad Asaed's user avatar
3 votes
2 answers
10k 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 ...
Sandepp's user avatar
  • 51
1 vote
1 answer
755 views

VW Fox ignition system problems

Recently I have noticed some strange things happen with my 2005 Volkswagen Fox 1.4 petrol engine. On rainy days the engine always stalls when I stop, sometimes check engine light starts to blink, ...
Mantelijo's user avatar
  • 139
2 votes
1 answer
4k views

Overfilled oil by 1 quart in a Chevy Spark [duplicate]

I have about a quart/liter of extra oil in a 2016 Chevy Spark. Will it be OK to drive it? I don’t want to damage the engine. I’ve read so far that 1 quart isn’t much but for such a small car I’m ...
Alex's user avatar
  • 21
4 votes
1 answer
2k 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 ...
Mantelijo's user avatar
  • 139
2 votes
1 answer
2k views

Understanding the waveform for my waste spark system

I'm having fun with my Hantek 1008C and tried it out on my ignition system today. My 98 Mazda 626 GF 2L uses a coil pack waste spark system with each coil firing two plugs simultaneously. I took a ...
Robert S. Barnes's user avatar
1 vote
2 answers
417 views

Do leaking shocks need to be changed?

I own a 2013 chevy spark. It rear left shock is leaking oil gradually. Should I change it now or wait till it empties off? If it should be changed, should they be changed in pairs?
user32399's user avatar
2 votes
2 answers
808 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' ...
David Williams's user avatar
5 votes
2 answers
491 views

Is there a risk of igniting the incoming charge with wasted spark systems?

I came across a question about wasted spark systems, and I was wondering whether there is a risk of prematurely igniting the incoming fresh mixture charge with that wasted spark. At the top of the ...
Bart's user avatar
  • 2,954
2 votes
0 answers
331 views

Spark timing advances as engine gets hot

I bought a timing light to check my spark timing; my vehicle is a 93' Mazda Miata and I am rotating the Cam Angle Sensor to advance or retard my timing. When I first used my timing light the engine ...
method's user avatar
  • 2,760
6 votes
3 answers
2k views

Engine cranks but won't start

I finished assembling my old Skoda Estelle engine, fully tighten, valves calibrated, etc. It turns, a bit "tight" i.e, not "loose" like before but it may be because I put new rings and different ...
Aram Alvarez's user avatar
  • 3,346
2 votes
1 answer
142 views

Number three plug fouling days after I put it in

The number 3 plug is fouling on my 99 Saturn sw2 days after I put it in and the car is throwing misfire codes as well as near stall code can anyone get me a answer why its fouling so fast could it be ...
Joseph Brennan's user avatar
3 votes
1 answer
371 views

1993 Ford Probe GT that has no spark and can't hear fuel pump kick in?

I had this car for three days. On the first day it was perfect and then the second day it just stopped out of no where. I started it up and it kept doing it every now and then until it never started ...
David.T.W's user avatar
5 votes
1 answer
391 views

WOT uphill, no increase in RPM, consuming more gas?

I own a city car Chevrolet Spark 2016. When going up a steep hill say in 4th gear, having the throttle down at 60% or WOT is practically the same. There's a minimal increase in RPM and power. Will the ...
Fideon's user avatar
  • 53
2 votes
1 answer
8k views

how much coolant required in chevrolet spark

Which coolant I can use in my Chevrolet spark and how much coolant and water required
Subrata Kar's user avatar
5 votes
1 answer
699 views

Car won't start

My Chevy Spark 1.2 L 2012 model overheated and blew the head gasket. I replaced the gasket and spark plugs. The engine is turning, but it won't start. Plugs do get petrol. Engine sounds like sewing ...
Koos's user avatar
  • 51
4 votes
1 answer
17k 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 ...
Robert S. Barnes's user avatar
4 votes
2 answers
198 views

Car turning off everytime I idle

My car currently has multiple fault codes: P0031 - Heater control unit (HO2s) P0037 - Heater control unit P0403 - Exhaust gas recirculation P0342 - Camshaft sensor My mechanic says we will need to ...
Anand's user avatar
  • 41
4 votes
2 answers
3k views

any downsides to early spark plug changes?

Are there any downsides to early spark plug changes? some say 10k 15k etc and some do it as early as 5k =S but would it be okay to get into the habit of changing them after each oil change (6k) miles ...
ceefax12's user avatar
  • 1,242
4 votes
1 answer
2k views

No ignition lights and spark

I have a VW Golf 3 GSX 1995 carburetor. Yesterday it just died after a few attempts cranking the engine. I noticed the ignition lights were not lighting up. I then checked all fuses: all OK as well as ...
Victor Visser's user avatar