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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COP +12V short to ground?
I have here a 03 Durango 4.7L V8 with a COP ignition system. Each coil pack has 2 wires which according to FSM one wire feeds all injectors and coil packs from a relay and one is a "signal" from the "...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 .
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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 ...
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1995 Chrysler Concorde that only started by WIGGLING the wheel - NOW does not start at all!
I have a 1995 Chrysler Concorde - a little over 72,000 miles. I'm 77 years old and want to keep this car. For 2 or 3 months, the car had only been starting if I lined up the steering wheel exactly ...
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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-...
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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
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'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
...
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2001 honda civic key
Hi I just recently bought a used 2001 honda civic, my problem is when starting the car I have to shove the key in and turn hard in order for it to start. My friend wants to install a push start but I ...
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Engine light turn off sometimes and sometimes stays on
When I turn on the ignition of car, it shows the light of oil, battery and engine. Sometimes it tun off and sometimes stay on. When it turn off the car starts easily. when engine light stays on, car ...
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No cranking Chevy Malibu 2008
I have a 2008 Chevy Malibu four cylinder 2.4 L the battery tested good brand-new starter but I am still getting a no start no crank. I have full power in the car but when I turn the key everything ...
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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, ...
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Scooter CDI with variable rev limiter - can it damage ignition?
I want to limit a delivery scooter with a variable CDI to 45 km/h (which can be unlimited by use of a remote). The dealer said such a limiter wears out the ignition and it's more likely to break.
Is ...
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2013 Mazda 3 Engine not turning off while pushing the start/stop button
My 2013 Mazda 3 does not turn off the engine while pressing the start/stop button. If I continuously press the start/stop button for three or four times then engine stops and goes to the acc mode. ...
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1999 Honda Civic Dx Won't Start, No crank
My 1999 Honda Civic DX won't start. I there is no crank so I started by checking the starter solenoid, there is no signal. Then I checked all fuses and relays including the main relay and they are all ...
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Coleman CT200U-EX-Will not start
Started up fine the first few times but when you hit the throttle it went wide open and when you let off the throttle it stayed wide open, so my son had to hit the kill switch to stop it. After doing ...
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Less sparks on ignition coil
Why one output terminal of my car ignition coil gives less sparks than the other terminal. In fact, the 2 terminals are control by a single primary circuit of the same ignition coil!!! The other ...
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Intermittent car electrical problem causing starting issues - any help pinpointing?
I have this starting problem that I've been trying to fix for the past year now. Well, I'm not really a mechanic of any kind, so I spend ungodly amounts of money to local car mechanics for "maybe" ...
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Replaced ignition cylinder, car wont turn over or crank
I have a 2007 chevrolet malibu. I have been having trouble for a while with having to turn the key a few times before it would crank until it finally quit cranking at all. I replaced the ignition ...
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Ford Expedition knocking and repeated spark plug wire failures
Is this the underlying problem or a symptom of something else?
I have a 1999 Ford Expedition that has a knocking and pinging problem. Two different mechanics have narrowed it down to the ignition ...
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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 ...
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New battery no start
One of week of extremely cold my Honda CRV 2014 battery died and I changed it with new one but the car neither started nor light or click it. I haven’t seen any problem before. Is there any suggestion ...
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Toyota Taco 06 2.7l 4c, Why are we having Ignition and idle problems after a head gasket repair?
We just replaced the head gasket and sealed with silicone and new gaskets. After our process was complete we discovered the engine idle would go from 1,000 rpms for 8 sec to 500 rpms 8 seconds ...
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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'...
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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
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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
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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 ...
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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 ...
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Car not running properly on LPG when car has been idling for some time
I have a Renault Clio 1.4 16v 72kw from 2003. I have this strange problem where when the car has been idling for some time (when in traffic for example) and gets more warm (temperature indicator more ...
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Key won't turn in Honda Fit after ignition cylinder repair
Malfunctioning locks seem to be common with Hondas that have laser-cut keys. After lots of research and tutorials on repairing the ignition cylinder I was able to remove the cylinder, extract the ...
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Car struggles to start when warm (fine when cold)
Car is a Mk1 Golf Cabriolet with JH1 injected engine.
The car struggles to catch when the engine is warm. It turns over easily but will start to fire on only 1 or 2 cylinders for a while before ...
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What an ignition control module is needed for?
I have a Chevrolet S-10, according to the the Ignition System Circuit Diagram the ICM gets an Ignition Control Signal from the PCM and sends a Switching Signal to the ignition coil.
As the Ignition ...
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How does the car's ECU detect a misfire?
I was wondering what the specific mechanism used by car ECU's to detect misfires is, or are if there is more than one method.
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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2004 GMC Yukon Denali, intermittent no crank/no start/no noise
OK, it started doing this a few months back with no rhyme or reason. Before this happened, sometimes would start beeping after engine start. A long 18 beep procession. Don't know if related. When ...
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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 ...
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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 ...
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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 ...
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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 ...
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2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug
Sometimes when my cell phone is on charge in my 2007 BMW Z4 before I start it, nothing happens when I turn the key. The car is acting like it, as if I did not have the clutch pushed in - the key ...
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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 ...
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