Questions tagged [ignition]

For questions related to the process and components that generate the spark that ignites the fuel-air mixture in gasoline engines.

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Why does ignition occurs during the power stroke in spark ignition engines?

Why does ignition occurs during the power stroke in spark ignition engines and not during other strokes in the four-stroke cycle?
HelloDarkWorld's user avatar
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0 answers
35 views

Ignition fault, not cranking Renault Master Ambulance 2006

After some strange behaviour from the locks, the ignition of my Renault master, 2006, ex-ambulance, will no longer crank the starter motor when the key is turned. Replaced battery in key lock remote ...
user9954434's user avatar
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2015 Kia forte ignition lock repair

I had my ignition broken during a failed theft. I have since purchased an ignition cylinder lock with new keys. If it's just a standard key that goes in the ignition and has no fob or flip out key ...
Jeanine Kolb's user avatar
1 vote
0 answers
50 views

2017 Hyundai Elantra crank no start

Completed an engine swap due to a rod knock. Can read all sensors with Solus. I have crank sensor rpm and injector pulse. I have no spark. I check for power at the coils and it is a 3 wire connector. ...
Andrew Sokolowski's user avatar
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16 views

2008 scion tc electrical issue

Hey there I have a 2008 scion tc manual transmission. I’ve ran into the problem of the car reading 12v at idle, 11.5 when lights and heat are on and 10.9 when driving. I checked that the alternator is ...
Jay sanz's user avatar
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0 answers
21 views

99 toyota avalon

To start,I just replaced my alternator and my battery is full charged. My car has a problem starting. I looked it up and found a suggested bad start relay. I bypassed the start relay with a jumper ...
Dakota Garner's user avatar
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
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18 views

No crank , no start Lancer Gt 2015

2015 Mitsubishi Lancer GT wont crank from the ignition switch also , radio won’t come on and key fob isn’t working so I’m manually using the key inside to turn it .
Michael 's user avatar
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09 civic immobilizer problems

I went to Jail for 5 days and while I was in there some idiots tried to steal my 2009 Honda Civic sedan. They tore the ignition apart totally destroyed everything including the immobilizer I replaced ...
Jordan Hayes's user avatar
0 votes
1 answer
267 views

Should I retard the ignition timing on higher RPM on natural aspirated engine?

I'm confused whether I should advance or retard my scooter ignition timing on higher RPM (> 7000 rpm). When I open the default stock ECU settings, it seems retard the timing excessively on wide-...
reptildarat's user avatar
0 votes
1 answer
79 views

The car does not start; before towing to a repair store, what can I try?

When I tried to turn the key on my car (2020 or 2021 Hyundai Elantra) in a parking lot yesterday, the engine didn't start. I could hear a little weak click sound and then it turned into silence. All ...
Amy Zeng's user avatar
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1 answer
105 views

2011 Ford F350 6.7 ignition will turn on, starter stays on, truck doesn’t start

Husband replaced the fuel filters, purged the system, but when I turn the key on the starter engages but stays engaged and truck does not start. Help please
Barb's user avatar
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1996 nissan sentra lights come on but wont turnover

Had starter checked and it was working fine. Battery tested it worked fine. Replaced terminals and wires connected to battery. Replaced the connected wire from the battery to starter. My car still won'...
Amber Tiny S's user avatar
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0 answers
14 views

Dodge 350 1985 5,9L V8

Hi my dodge turn off while driving and doesn’t start any more. Everything worked normal, I think in the ignition distributor is the charcoal pencil used. Sorry for my bad English I am from Germany
Tilemahos Gazarian's user avatar
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95 views

2010 FG Falcon dash lights and starter motor wont work

Dash lights don't work or fuel gauge or anything on dash plus car will not turn over but you can hear some clicking under bonnet but not from starter motor
Brad Mccahon's user avatar
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0 answers
24 views

Power after ignition switch

First of all hello to everyone. I have got a sinnis terrain 125 that I have swapped the engine, and now it won't start. I have changed the rear part of the loom, all connectors nice and clean, ecu is ...
Renato Monteiro's user avatar
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2 answers
39 views

Engine won’t start

My 2003 suburban won’t start, I lifted my steaming wheel up and my whole truck turned off and when putting the key in the ignition and trying to start the truck the starter doesn’t even click. My dash ...
J.C. Camacho's user avatar
1 vote
1 answer
482 views

2014 Kia Soul Ignition Lock Cylinder

My car was recently vandalized (failed theft attempt) and they messed up my ignition lock cylinder. I have to replace it with a new one. Over the past year, Kia and Hyundai have been targeted for ...
endtimes's user avatar
2 votes
0 answers
31 views

I need help identifying pins in the VAG ignition switch (Audi A3 2005)

I need some help identifying the functions of the pins in my ignition switch. Some time ago my ignition switch started to malfunction. The issues I experienced were failing to switch into the desired ...
Wintermute's user avatar
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0 answers
36 views

03 yukon electrical

Its an 03 yukon with a brand new battery in it. In the past 3 months it has went in for a no crank no start issue twice . Both times it was just an ignition fuse. Something is causing this fuse to be ...
Tbc's user avatar
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2 votes
0 answers
260 views

No crank no start 03 gmc yukon

I have an 03 yukon(5.3L) it wasnt starting a while ago and it just needed a new ignition fuse. After a week of driving it, it didnt want to start again. It has a brand new battery on it and the ...
Tbc's user avatar
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233 views

Honda Jazz Ignition Coil Issue

I have Honda Jazz 2007, 200k KM mileage. My car ignition coil last maximum 6 months and after that it requires replacement. Whenever it happens, my car misfires only while driving. There are no any ...
Salman Asif's user avatar
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0 answers
40 views

Car turns off if ignition is turned while driving

I have 2009 Lincoln Town Car (230000 miles). I have a very interesting problem. The car drives flawlessly. However, the dashboard lights turn on and off intermittently. (This seems to be can common ...
TheAsh's user avatar
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1 answer
85 views

Capacitor discharge ignition system in electric vehicles

Capacitor discharge ignition system CDI video Can capacitor discharge ignition system be used in electric vehicles viz Cars, Motorbikes etc?
Prashant Akerkar's user avatar
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249 views

Why won't Jaguar start after brakes failed?

2012 Jaguar XF had 4 pads/rotors replaced and I returned to shop explaining they were less responsive and required extra pressure to stop and to remain stopped. The shop looked at it and said they ...
Jasn's user avatar
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1 vote
1 answer
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96 Olds Cutlass Supreme 3.1L Is it the alternator?

Is it the alternator?? When I put the key in the ignition all my lights come on bright, the icons on my display light up & my radio works BUT when you turn the key car won’t turn over & you ...
Elizabeth 's user avatar
1 vote
0 answers
44 views

What's the problem with this honda

I own 2003 Honda Odyssey 3.5L. not sure if it's ex or Lx. First key wouldn't unlock doors then it wouldn't turn in ignition n now car won't start at all. Battery is good I'm Don't know if starts bad ...
Amy's user avatar
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1 vote
1 answer
143 views

2012 Sonata doesn't turn on but make hosh sound

I have 2012 Hyundai Sonata which does not turn on,(Sometime you get lucky and turns on.) The car makes hush sound as below link but doesn't turn on. Video Link As you can see in video i tried couple ...
Shahreza's user avatar
  • 111
0 votes
0 answers
424 views

2017 Ford Fiesta manually turning ignition switch

My 2017 Fiesta's ignition lock cylinder has gone bad. I am currently trying to avoid this problem by disengaging the ignition switch from the lock cylinder and manually turning the ignition with a ...
Tahsis Claus's user avatar
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0 answers
92 views

My replacement ignition key doesn't work the doors on my Peugot 308

I had my keys replaced for a Peugot 308, one with a remote and one as a manual key after I lost the original. Both keys work as ignition keys and the remote fob locks as it should but neither key will ...
Melvyn Heath's user avatar
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0 answers
65 views

no sound when turning key, but battery should be fine

I know it isn't the battery. I just had the charge checked, and it starts... Sometimes. But the majority of the time, I turn the key and there's no noise under the hood. The door indicator beeps when ...
Sad Nissan Murano Owner's user avatar
0 votes
1 answer
177 views

1990 Fox body mustang

My cars battery is charged and the lights turn on and the door locks work BUT when I turn the key the dash dosnt light up and the gauges don’t move at all and the car dosnt start. No sound as if the ...
Evan's user avatar
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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
2 votes
2 answers
225 views

Why does a car push start?

A lot of people've been there. I also have done this (unfortunately). But why does this happen? Procedure is very simple: turn the ignition on, engage 2nd gear, push the clutch in, get up to speed, ...
J. Doe's user avatar
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1 vote
0 answers
137 views

Toyota 2006 RAV 4 - no spark

We've just replace the engine in a 2006 2.4l Rav 4. Replacement engine uses all the (tested) sensors from the old engine. Ran all the continuity / voltage checks for the ignition circuit and all are ...
digitalpi's user avatar
1 vote
1 answer
71 views

Disabling an old tractor by removing magneto cap end, am I risking damage?

I purchased an old (Allis Chalmers WD45) tractor which I am storing at a remote but accessible location. This tractor is magneto fired and can be hand cranked to start as well as started with a 6v ...
Cameron Roberts's user avatar
2 votes
0 answers
53 views

more consistent spark by holding plug boot away from terminal

I've been trying to diagnose some misfire issues. I've noticed that just about each cylinder doesn't have consistent spark when hooking a timing light up to the plug wire. I figured I'd troubleshoot ...
dangelsaurus's user avatar
2 votes
1 answer
668 views

Wire hanging loose on B&S small engine - is that normal?

I have a relatively new Briggs & Stratton engine on a Cyclone Rake leaf vacuum. Engine model is 130G32-0184-F1. It's been running fine for several weeks. Today it will not start. I hear no sound ...
Steve Fallows's user avatar
0 votes
1 answer
789 views

Car wont start, starter will click, dome lights and headlights are dim

Ive got an 08 Impala that was running just fine two days ago. Yesterday I went to get in to go to work and it wouldnt turn over. The interior lights and headlights a very dim. I tried to jump it, and ...
John's user avatar
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0 votes
0 answers
47 views

2007 jeep liberty 3.7 only start I completely remove "any" sparkplug from cylinder then ground,

Only starts take out any one plug then ground to alternator starts right up, thought had to be bad ground so grounded from battery to engine block still won't start with all six plugs in Jeep Liberty ...
Joseph Hill's user avatar
0 votes
1 answer
160 views

'00 Malibu no crank replaced ignition completely now worse. Help!

2000 3.1 V6 Malibu – I cannot get the engine to crank. What I have done in the last 2 months; Replaced the battery – tests @ 12.98V cables off, 12.78V cables on, 12.58V with key in (KOEO) position ...
solanus's user avatar
0 votes
1 answer
136 views

Is this close enough for ignition timing setting?

Having a hard time aligning the bottom pointer with the V above it while setting the ignition timing. They’re supposed to line up with the middle line of the three ||| Is this close enough or should I ...
ohmmy's user avatar
  • 615
-1 votes
2 answers
417 views

Why does the California smog check involve an inspection of the ignition timing?

I purchased a 30-year-old truck, which seems to run well in spite of its age. But when I take it to get a smog check, the engineer clips a timing light to the first spark plug and tells me that the ...
Metamorphic's user avatar
0 votes
1 answer
121 views

My yamaha delight 2014 moped died total electric fail

My moped died the other day after running well Totally no power to ignition lights or any starter noise flat dead I changed fuse checked battery with meter even put booster on it nothing done lot of ...
ross hendry's user avatar
1 vote
0 answers
301 views

32/36 Weber carb MGB dies when accelerating but when the progressive second butterfly throttle valve opens it revs fine at high rpm

i have a 1977 MGB with a 2 barrel progressive throttle 32/36 Weber carb. it will idle, but if i try moving at low rpm, the engine will jolt on and off. like if i was pressing the gas but rapidly ...
Tony's user avatar
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0 votes
1 answer
40 views

What is this wire circled in green in the picture below that connects to the distributor body?

This green circled wire as you can see in the picture below connects to the lower part of the distributor body and it looks like its on top of the wiring for the condenser as well. Is this some sort ...
Timothy Scherer's user avatar
1 vote
1 answer
89 views

Question about Ignition Systems ; The Amount of Contact Breaker Points inside the distributor

The distributor in Lamborghini Espada has 4 contact breaker points. Why is that? Couldnt a single point handle all 12 cylinders? I ve also heard they used twin points inside the distributors of some ...
Timothy Scherer's user avatar
1 vote
0 answers
288 views

Car won't start and makes loud grinding noise when attempting to start it, video attached

2012 Infiniti G37x, Attempted to start it but it makes a loud grinding noise and doesn't start. The lights and the interior electricals are working. Haven't driven it in 2 weeks but it started just ...
Arvisionz's user avatar
0 votes
0 answers
131 views

Mitsubishi Outlander extended crank

Why would I have an extended crank after replacing all of my injectors and also have rich bank 1&2 codes? Have double checked timing and vacuum,all seems ok. If I shut it off and start it right ...
John Reece's 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

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