An electrical system that handles the spark component of the ignition process. Ignition systems are comprised of but not limited to ignition coils, ECU, signal generators, spark plugs and wires, distributor mechanisms, points, condensers and sensors.

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Ford Focus - bad starter?

Car 1.6L Ford Focus estate, made in 2000. It is right hand drive, although I doubt that matters. Issue When the ignition key is turned from "On" to "Start", there is a click (sounds like a relay ...
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6k views

What to do if 2010 Chevy HHR key is stuck in run position?

The key in my 2010 Chevy HHR automatic will not turn back to the OFF position. It is stuck in the RUN position with the car on. What is the cause of this problem? How can I shut off the car?
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1answer
68 views

How is Dodge Spark Advance Controlled by the PCM if there is a Distributor?

The Chilton manual for the late 90s and early 2000s Durango and RAM says that PCM controls ignition timing and spark advance. I don't understand this, because these motors are equipped with a ...
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1answer
87 views

What is a TACH LEAD?

What is a TACH LEAD on this picture?
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1answer
66 views

Which operations are done when key is turned to On position?

I would like to know which operations or functions does the car do when I turn the key to On position (the key position before starting the engine) in gas engine and in diesel engine. For example, in ...
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1answer
557 views

Car not starting easily in the cold?

I drive a 97 Subaru Legacy. The engine was resealed with mostly new parts within the last 6 months. The oil was changed recently. The battery is 2 years old. Normally I get NO TROUBLE, ever, ...
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1answer
28 views

My car won't crank

I started my car the other day and turned the car off. When I tried starting it back up it wouldn't crank. I took the key out and my dashboard gauges would stay on. I can start it up by the ...
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3answers
33 views

What is the State of the Ignition Pin of a Vehicle?

I got a Vehicle Tracking Unit, The Connection required is Red - +12V Black - GND Green - Ignition. I need to test the unit before putting it into the car. So to simulate the ignition procedure, what ...
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1answer
153 views

Prolonged ignition

My car, Megane '98 1.6e Petrol Hatch, started to take a long time to ignite. At first I thought that the fuel does not reach the chambers because I always have to park it in places with big incline, ...
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1answer
347 views

How often should spark plug wires be replaced?

I last replaced them with the plugs about 4 years/60-70k miles ago. I bought platinum plugs I if I remember correctly, so I still got some life on those. The car (2001 Buick Regal) is still in good ...
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1answer
84 views

2007 S40 - Accessory Delay (5 secs) when turning the Key to Position II

My son's 2007 S40 has an accessory delay of 5 (secs). The lights and indicators ultimately come on. The car has no problem starting and runs nice. The dealer says it needs a new ignition. An ...
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206 views

Truck won't crank; no sound from starter relays

I have a 1997 Expedition, which badly needed a tune up: the motor was shaking. I changed the plugs, which stopped the shaking; two days later the truck won't start. The battery is hot and the lights ...
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1answer
76 views

No spark either side

Engine won't start but turns over. 4 cyl with 8 spark plugs all eight produce no spark while cranking. I have an 1989 ford ranger xlt 2wd 4 cyl. During the crazy cold spell here in northern ...
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1answer
443 views

My 96 honda civic will not start please help!

Ok I will try to make this quick and short as much as I can. so a couple weeks ago I put the drivers side power door on my 96 Honda civic hatch. everything went well until a couple of days ago I tried ...
3
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2answers
444 views

Intermittent no crank issues

My girlfriend has 2003 VW Beetle (2.0L, 5-speed manual). Sometimes, when you turn the key to crank over the car it tries to turn over but then hits a wall. No clicking happens at all. It starts to ...
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1answer
365 views

How much longer than a copper plug will an iridium plug last (on average)?

I've been hearing a lot about iridium spark plugs lately. I have read claims that these plugs are more durable than copper plugs due to iridiums high melting point and anti-corrosive properties, but ...
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1answer
1k views

Sluggish Acceleration, Minor Surging

I have a 2000 Infiniti i30 with 160K miles that is in fantastic shape. I purchased it from a mechanic who had gotten it from a customer who basically ended up not wanting it. The mechanic replaced the ...
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1answer
47 views

SMAX Zetec 2.0 TDCi 2010 Plate - Why wont my car start ? (see video)

Car used to start fine 49 out of 50 times but without obvious reason it sometimes struggled to start (as seen in video). This can be on a cold start or a warm start. Happens in warm, cold, wet and dry ...
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56 views

03 chevy impala- I have a bad misfire

When I push on the gas it hesitates to go. The check engine light starts flashing but once it gets rolling its gone. I change the spark plugs, put in a gas treatment, shot some B-12 in it and ...
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0answers
20 views

ford mondeo v6 st24

Just wondering if anyone can help as we have this Mondeo and all of a sudden all the ignition went and have no power at all. Any suggestions as to what it might be? All the fuses are fine and still ...
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0answers
50 views

Car won't unlock with remote and won't start? Toyota Camry 1999

My sister gave me this car for school and she told me this happens a lot. Her mechanic friend says it's an alarm problem and my alarm is locked. Unfortunately her and her friend live on the opposite ...
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0answers
56 views

2004 ford taurus - screeching sound when attempting to start the car

To start, I know nothing about cars aside from how to drive them. I have a pre owned 2004 ford taurus with 60000 miles. Recently, it has been making a screeching noise when I turn the key to start the ...
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0answers
255 views

Is there really such a thing as a skeleton key?

I've worked in the motorcycle industry for a while. I've heard ridiculous claims of something called a "skeleton key" which could turn any ignition to "on". Does something like this really exist? Is ...
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1answer
123 views

Cannot get Kubota tractor engine to fire

I have a Kubota T2080 lawn tractor. It has a basic 2-cylinder gasoline naturally aspirated engine. I let it sit last winter and now that it's the spring, I cannot get the engine to fire. The electric ...
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114 views

my 02 Hyundai accent keeps blowing the ignition fusable link keeps blowing

My 02 Hyundai accent keeps blowing the ignition fusable link. What could cause this? We just recently replaced the alternator and battery and it was fine when I parked it, then for some reason the car ...
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69 views

Is there a way to test ignition coils with built-in ICM?

My car's service manual shows this for the ignition coils: What is the ICM? Related to http://mechanics.stackexchange.com/a/2850/31, is there a way to check the coils to see if they are working ...
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50 views

How do I make my 2nd generation Toyota Hi-Ace start more easily? [closed]

My 2nd generation Toyota Hi-Ace Diesel is not starting easily, or occasionally not starting at all. I have: Tested the glow plugs - all quick and fully bright; Changed battery; Changed the air ...
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2answers
118 views

2002 Saab 93 SE Ignition Coil - Fluid found inside, engine rumbling

I had a new coil installed 6 months ago in my 2002 Saab 93 SE and it has been running fine until the other day when the engine started rumbling quite violently. Took it to a garage and after they ...
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2answers
598 views

2004 VW Jetta Immobilizer on, then off, then on again

When I got in my '04 VW Jetta the other day, the car wouldn't start and the immobilizer light was blinking. I tried charging the battery, pulling the terminals from the battery, and leaving the key ...
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0answers
189 views

Is there a general procedure for retrofitting “smart key” cars with real keys? [closed]

With all the cost, trouble, loss-of-use, and inability to shut the vehicle off if electronics fail associated with "smart" keys, if I ever get a car that needs one I think I'd want to adapt it to ...
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3answers
854 views

2001 Maxima starts but won't stay running

I have a 2001 Nissan Maxima 3.0L V6 that starts no problem but dies almost immediately. If I give it gas as I start it and hold the idle around 1500-2000 for a few seconds, then ease off, it will stay ...
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2answers
74 views

Replacing Spark Plug with Laser Iridium NGK Spark Plug

I have 2012 KTM Duke 125 at 10 000 miles (16k kilometers). I am the third owner of bike for 2 years. Whenever i twist the throttle fastly, motorcycle is chocked up. So i thought the problem could be ...
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111 views

Something stuck inside the spark plug barrel of motorcycle

I went about changing the spark plugs on my 91' Honda CBR250RR and ran into a problem with the fourth plug. I tried inserting the sparkplug socket but it wouldn't get in there. Using my phones camera ...
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1answer
30 views

Does electrode size/shape matter?

I have an 84 Ranger and I recently bought some new spark plugs for the motor. I noticed that the old electrodes were huge compared to the brand new ones I just bought. Does the size of the electrode ...
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2answers
232 views

Ignition Switch vs. Ignition Lock Cylinder

I have a 2010 Ford Escape with 95,000 miles. I have a problem with the car that when I put the key in and turn, the car doesn't crank. The lights come on when the key is turned, but there's no sound ...
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2answers
260 views

Engine jerking and revving, multiple failed ignition coils

This problem started a month ago. My Aveo started revving and jerking when it was sitting at a light on my way home (2 blocks from my house) and the engine light came on. I drove it home. The next ...
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2answers
414 views

Golf MK3 battery drains, rapid clicking on start, glow plug light flashes

Does anybody know what would cause the following symptoms? I have a 1996 Golf MK3 diesel (not TDI). I drove the car with no problem three days ago. Today I went to start it, and the battery is ...
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3answers
542 views

Proper use of The Club?

I recently purchased The Club for my car (as it is a target for thieves) and I'm unclear on how to put it in. It says to turn the steering wheel one full rotation before putting it on, however, my ...
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1answer
882 views

Explain the sound of a car's ignition?

A normal, working car, nothing wrong with it, makes a very distinctive sound when you turn the ignition. I have a vague understanding of a distributor spinning around real quick and firing the spark ...
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2answers
982 views

Single Cylinder 4 stroke misfire at idling rpm

I have a Zongshen 200gy-2 bike, that has of late developed a misfire if there is no throttle, like waiting at traffic lights. It has recently been serviced, but the spark plug has not been replaced. ...
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2answers
236 views

Car not starting

My car worked fine till yesterday and yesterday evening I just injected engine oil, power steering oil, coolant and water for wipers. I am pretty sure I added right fluids in right places and I parked ...
2
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1answer
356 views

2015 hawk 250cc enduro motorcycle

While riding down the street, our motorcycle just died. Tried to restart it and it sounded like it wasn't firing. We changed the plug and ignition coil and still not firing. What should we do now?
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1answer
196 views

How to diagnose a bad stator?

Consider the following diagram : This is for a Polaris sportsman 700 2003 ATV On the top right corner, you have the information to check if the stator function properly. For the first three coils, ...
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1answer
65 views

1987 Yamaha fz700 handlebar lock

On my ignition there are a couple positions, on, off, lock, and p. I assumed the lock was for the handle bar lock, but it doesn't lock when I switch it to that, when I switch it to P though it ...
2
votes
1answer
449 views

Engine starts but almost immediately cuts out 3 or 4 times when starting

I have a Golf Mk2 that has been sitting a while and I am fixing up. When I start the car the engine catches but then dies almost immediately. I have to restart the car 3 or 4 times like this until the ...
2
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2answers
237 views

1997 Plymouth Voyager (U.S.) Ignition Cylinder R&R

Attempting to replace the ignition key cylinder. Attached are the instructions and photo's of the Voyager we're trying to replace the cylinder. I just don't see any access to the "cylinder release ...
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2answers
3k views

2004 Kia sedona intermittently wont start

my 2004 kia Sedona intermittently refuses to start. I have light, radio, electric windows but just doesn't turn over at all. If I leave it a few hours and go back to it, it'll start first time as if ...
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1answer
1k views

Engine misfire during load at 2500+ rpms on 3rd and 4th gears

I am in the process of making a 1977 Nissan 280z road worthy once again after having it sit for about a year. Here's what ive done: cleaned fuel injectors cleaned fuel lines replaced air filter(high ...
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1answer
4k views

What might cause inconsistant ignition, an extemely loud bang but no visible damage?

I have an old 1993 Triton ute. It has a 4G54 carby engine. It's run as well as can be expected of an engine like that with nearly 400k on the clock. Just recently one day I jumped in to go for a ...
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2answers
286 views

Clips that hold plug wires onto coil pack?

On my 1999 Saturn SL2, there are clips that are supposed to hold the ignition/plug wires in place onto the coil pack and the bolt that goes through it may play a role in grounding the circuit. One of ...