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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159 views

Wasted spark ignition spark plug type

I have a couple of follow up questions on wasted spark ignition: I heard wasted spark igniton systems are hard on spark plugs. How does wasted spark compare to say COP ignition and do wasted spark ...
0 votes
1 answer
91 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
0 votes
1 answer
151 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 ...
0 votes
1 answer
125 views

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 ...
0 votes
1 answer
288 views

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 ...
0 votes
1 answer
2k views

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 ...
0 votes
0 answers
30 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 ...
0 votes
0 answers
9 views

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 ...
1 vote
1 answer
740 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, ...
0 votes
2 answers
1k views

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 ...
1 vote
1 answer
2k views

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. ...
1 vote
0 answers
32 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. ...
1 vote
1 answer
437 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 ...
2 votes
1 answer
455 views

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 ...
0 votes
0 answers
11 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 ...
1 vote
1 answer
888 views

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 ...
0 votes
2 answers
139 views

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 ...
2 votes
2 answers
3k views

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" ...
0 votes
1 answer
138 views

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 ...
5 votes
1 answer
177 views

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 ...
0 votes
2 answers
35 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 ...
0 votes
2 answers
103 views

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 ...
2 votes
1 answer
112 views

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 ...
1 vote
1 answer
439 views

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 "...
0 votes
0 answers
20 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 ...
2 votes
1 answer
327 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 ...
0 votes
1 answer
165 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 ...
0 votes
1 answer
69 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 ...
0 votes
0 answers
15 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 .
0 votes
0 answers
13 views

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 ...
2 votes
2 answers
198 views

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 ...
0 votes
1 answer
188 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-...
0 votes
0 answers
20 views

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'...
0 votes
0 answers
13 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
0 votes
0 answers
72 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
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0 answers
22 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 ...
2 votes
1 answer
586 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 ...
1 vote
2 answers
2k views

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 ...
8 votes
2 answers
2k views

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 ...
0 votes
1 answer
680 views

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 ...
1 vote
1 answer
569 views

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 ...
21 votes
4 answers
24k views

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.
2 votes
0 answers
29 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 ...
0 votes
0 answers
34 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 ...
2 votes
0 answers
222 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 ...
0 votes
0 answers
212 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 ...
0 votes
0 answers
32 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 ...
0 votes
1 answer
79 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?
4 votes
1 answer
9k views

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 ...
0 votes
0 answers
223 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 ...

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