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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4
votes
1answer
56 views

2004 CRV Start issue

Basically each time I turn the ignition, one of three things happens: Car starts with no issues Starter cranks but engine doesn't start Starter doesn't crank at all (but e.g. dash lights will go dim, ...
4
votes
1answer
566 views

New battery, but car won't start and odometer blinking rapidly

The battery warning light on my 2000 Mazda Protege kept coming on after 35 miles per hour, so I took it to AutoZone to get it checked. The battery was bad (it did need a jumpstart in January) but the ...
5
votes
3answers
9k views

Start a circuit or device when you insert key in car ignition

I want to start a circuit in my car when I insert my key in car ignition and let it turn off when the key gets removed. I have Honda Civic 2007. Can someone just help me out as to from where do I take ...
3
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3answers
3k views

How does a timing light detect the electricity in the plug wire?

I assume that a timing light functions by some kind of inductive pickup and the signal is amplified by power from the battery and turned into a flash at the bulb. But I was wondering, is it picking ...
1
vote
1answer
544 views

Engine and ABS warning signs because of low battery?

Two days ago, the "Engine warning sensors" and "ABS sensors" started blinking in my SUV, and the car was not starting (no ignition). But the headlight, and AC was working fine. After multiple trials,...
2
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1answer
1k views

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

I have a Golf Mk1 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 ...
3
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5answers
1k views

Simplest installation of car-powered car-pc

Am posting here as this question seems to be considered off-topic on both the electronics and the Raspberry sister sites. Would like to install a carputer (Raspberry Pi), and am wondering about the ...
2
votes
2answers
576 views

Motorcycle: fuel and spark but no ignition?

I inherited a '79 Yamaha XS400 (2 cylinder, 4 stroke, air cooled, SOHC, duel carburetors). The timing chain had broken so I replaced it, setting the timing at the same time. I cannot start it. The ...
2
votes
1answer
194 views

Ignition lead plug end has white residue on one lead, what could be the cause?

I have a 1997 Hyundai Lantra 1.8l While I was replacing the spark plugs a discolored lead was discovered. The 4 plugs were all the same age and appearance. What could cause this
2
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1answer
792 views

Car is intermittently completely dead then is fine after a little while

I have a 2008 Pontiac G5. The battery is about 7 months old and I had it tested and it is perfectly fine. Connections to the battery seem solid and clean. However, intermittently when I try to ...
2
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1answer
5k views

2007 Hyundai Sonata Automatic Key Won't Turn

This started before the steering wheel was locked, I locked it because I forgot what a locked steering wheel feels like and wasn't thinking too much. Had a LOT of time to wiggle the key before it was ...
5
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2answers
257k views

Car won't start, lights and electronics flicker

Ford Focus. When i turn the ignition, the engine will not start. The lights and electronics will flicker while i am turning the ignition. I do not hear the engine "turning over". What is my issue? ...
1
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1answer
89 views

Why do some applications show ignition signal in the O2 signal?

I had read somewhere that some cars show the ignition signal as interference in the oxygen sensor signal when viewed on a scope. It turns out my 98 Mazda 626 is one of those applications: The full ...
1
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4answers
7k views

Relation Between RPM and Spark Advance

It's my understanding that under normal operation spark advance is directly proportional to RPM, i.e. as RPM increases so does spark advance due to the need to ignite the AFM earlier the quicker the ...
2
votes
0answers
95 views

2010 ford escape XLT ignition issues

I use to have to push my key in really hard to get it to start. now it wont start with the key at all. but if i use my remote starter to start my car then put my key in it works. what could this be ...
1
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2answers
49 views

looking to buy a 2000 ford expedition with broken ignition. it doesn"t run but running prior. how do i repair it

Thinking of buying at 2000 ford expedition. The keys where lost to this vehicle. they tried to hammer out ignition causing anti theft light to come on. The vehicle does not run. Before this the ...
0
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1answer
47 views

Motorcycle won't start or attempt to swing, and the headlights don't come on, but the hooter sounds healthy

My motorcycle (Kawasaki Ninja 300) does the normal dashboard light-up sequence when I turn the key, but the normal electrical whine that happens simultaneously stops earlier than usual. The headlights ...
8
votes
4answers
6k views

1997 Dodge Grand Caravan not starting, mystery wires?

1997 Dodge GC with 180k miles, has been sitting for maybe 6 months after being driven a little, and now it won't start. cranks fine, all electronics work, but doesn't fire. I checked there is fuel ...
9
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10answers
11k views

How can I disable my 2002 Ford Explorer so someone with a key can't start it? [closed]

A person at my house continually moves my 2002 Ford Explorer from the driveway to the street without permission. The key is shared and must remain easily accessible. Personal issues aside, is there a ...
1
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0answers
80 views

Need help, my only way of getting to school and work tomorrow!

I've got a 1999 Honda Shadow 600, its been doing good recently and over the summer I put a good amount of work in it to keep it going. I went to turn it on an it would sound like it would turn over ...
4
votes
3answers
23k views

2008 VW Golf - no ignition lights on dash

I have a 2008 Golf 2.0 TDi GT with no ignition lights on the dash. I put the key in the switch and turned but nothing happened. The battery is fully charged, the key fob has a new battery and locks/...
1
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0answers
545 views

Fiat uno fire 1100

I'm having trouble with my car not starting. I bought a new coil and a new module, and cleaned the distributor, but I'm still without luck. What else can it be? And then I want to know on your coil ...
8
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3answers
4k views

Car won't start, possibly due to ants in batteries

Yesterday there were a ton of ants crawling out of some hole in my backseat. I sprayed the them to death. This morning, when I try to start the ignition, my engine clicks a lot but won't turn over. ...
1
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0answers
216 views

Renault Megane 1.9 diesel convertible won't crank when I try to start it

I have Renault Megane 2007 Diesel convertible. Put card in, press start, lights come on, won't crank. Then says low battery. I put new battery on same thing. I tried a jump start still nothing. Can ...
4
votes
2answers
2k 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. ...
7
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2answers
68k views

OBD II power when key not in ignition

I can't get to the OBD connector on my car at the moment. As far as I know the OBD II voltage is active even when the key is in lock. Can anyone confirm this? edit : It's for a product that will be ...
6
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7answers
30k views

what happens when you hit engine button on a keyless ignition?

My car is a keyless ignition and as such just has a button I press to have it start. My question is... what happens if I hit it while I'm driving?
4
votes
3answers
108k views

Car will not start Sometimes?

Hey i just wanted to ask about my girlfriends car she has been having problems with for over a year.. we had it checked but they always say nothing is wrong (usually because the car starts when they ...
4
votes
2answers
6k views

One Key Starts, Two Others Don't

As of yesterday, my wife's key no longer starts our 2002 Hyundai Santa Fe. The key turns fine, all electrical accessories work, but the starter is never engaged. My key (an original) works fine. I ...
3
votes
3answers
9k 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?
9
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2answers
13k views

What can I do with an Inline Spark Tester?

Due to my recent problem with weakly firing plugs, I'm looking at inline spark testers. I've seen three basic types: The simple flashing one which goes in between the wire and plug with the plug in ...
1
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0answers
65 views

Pencil Coil Operation

Pencil coils are very small. Do they operate on the CDI Principle? I thought that CDI was not good on lean mixtures which are good for fuel economy? Do they operate on the accepted Inductive Discharge ...
0
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2answers
739 views

car engine wont start and randomly turns off while driving

so i drive a ford focus lx 2000 (i dont know anything about cars) and sometimes it wont start. like when i turn the key, the lights, ac and radio turn on but the engine doesnt even click or make ...
2
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2answers
2k views

What fuel type is more explosive?

I think it's one of the most popular things in action films: Cars exploding. In reality, a car explodes very rarely, even when it gets shot. However, what fuel type tends to explode more? Diesel ...
1
vote
1answer
144 views

Car will not start after short sitting period

Full disclosure: I am no mechanic but kinda know my way around a car. So I have a Subaru Impreza ('95 automatic) and a weird problem. When I let the car sit for two or three days it does not want to ...
0
votes
1answer
50 views

Troubleshooting: Startup/Ignition

What factors influence ignition, during startup? Relatively modern vehicle; little over 10 years old. Owned since new. No history of related problems. Recently began to display intermittent failure ...
2
votes
1answer
147 views

Ignition turning engine over when key is off

1996 Ford F250, 7.3 diesel. Steering column has been loose for a bit, which makes me suspect the switch.....Started truck fine to come home from work. Pulled into driveway and as soon as I turned the ...
5
votes
2answers
13k views

What is an acceptable amount of up/down play in a distributor shaft?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - This is the distributor style with vertical cap posts. 230,000 miles original owner. EDIT: Please click on link below to see a photo of ...
4
votes
2answers
229 views

Engine missfires when idling, but only when hot

I have a 1988 Toyota Corolla EE80 that I bought recently, 1.3L carburetor engine with distributor ignition. The engine idles normally at around 1500rpm idle when it's cold. But the moment the coolant ...
-2
votes
1answer
1k views

Lexus won't start

2005 Lexus LS430 will not turn over. There is no clicking sound, which I think is the starter. All lights work; dash and headlights. When I Turn the key to the on position there is nothing.
3
votes
1answer
479 views

Citroen jumper buss key code sign in dash

CITROËN JUMPER BUSS (230P) 2.5 TD (76 KW,1996) I have this van, which is constantly showing orange key (code) sign in the dash. The thing is it use to happen in last few weeks but I could get away ...
4
votes
1answer
2k views

How safe is it to advance spark timing?

A popular "mod" to the Miatas engine is to advance the spark engine from the factory 10 BTDC to 14 BTDC, this moves the peak torque earlier in the rpm range and is claimed to also increase horse power....
4
votes
2answers
13k views

Is it normal that a cold engine takes longer to start?

I have a 2014 Passat and recently my battery drained just enough to not start the car. I suspected that it was a combination of short trips + that feature that leaves the lights on when locking the ...
5
votes
1answer
20k views

What are the benefits of direct ignition (coil on plug) system?

Most recent gasoline cars have a direct ignition, also called coil on plug, system where each spark plug has its own ignition coil. Before that, cars used a common ignition coil for all cylinders. ...
3
votes
4answers
9k views

Do remote starters increase engine wear substantially on keyless ignition vehicles?

Background Remote starters are a nice feature in the winter when getting the car warmed up and windshield defrosted before going out to wipe snow off the vehicle can make a big difference in time &...
1
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2answers
66 views

2005 Kia Sedona sensor question

This might be a silly question but do I need dielectric grease to install an ignition failure sensor where it mounts on to the thermostat housing assembly?
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2answers
1k views

Car electric issue due to cold weather

I live in the UK and lately is being quite cold. I've seen this question to see common problems related to a cold weather. This morning however something weird happened. I own a peugeot 206, and it ...
1
vote
0answers
5k views

Bypassing the Neutral Safety Switch? No start no crank issue!

I have a 2000 Acura TL, and it had been having some no-start no-crank issues, usually, I would turn the key and nothing would happen (just one click), it might take a few tries but eventually it would ...
2
votes
1answer
606 views

How does the Prius (2011) re-ignite the gas engine without causing too much wear on the ignition? [duplicate]

How does the Prius (2011 model if it matters) re-ignite the gas motor when it needs to be used without wearing down the ignition system too much? Since the Prius is a Hybrid the gas engine is not ...
3
votes
2answers
853 views

Mazda 323 1985, carb model wont start when hot

Starts easy enough when cold, runs rougher as it warms then requires full choke. Wont start when hot but ok again when cooled. Has new battery. Plugs, rotor,dist, startmodule, leads and coil seem ok. ...

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