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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2
votes
2answers
9k views

Weak spark on one cylinder

In the sequence of my previous question about the engine vibration (Engine is vibrating when idle and seems like missfiring), I have been trying to diagnose the problem on my own. What I have found ...
3
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1answer
484 views

Reprogramming a Magneti Marelli Microplex MED604C

I'm interested in reprogramming a Magneti Marelli Microplex MED604C ECU for the ignition of an uno turbo, but I can't seem to find any documentation on this? I'm new to ECU remapping, and my ...
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0answers
219 views

Toyota Verso 1.6 VVTi 2006 Overheating 7 Not coming on [closed]

How do I know if my head or black is damaged. Recently my Toyota Verso 1.6 VVTi 2006 Model overheated when I checked the water from the radiator I realised that there was white greasy thing on the ...
4
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1answer
1k views

Car only starting sometimes

I have a 2002 Mercury Sable. Just had the heater core replaced and since getting it back, it has only been starting sometimes. At first it would start right away, but not every time, especially if you ...
1
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2answers
2k views

What will cause my Ford Expedition not to start?

I have a 1999 Ford Expedition. I was having trouble with it idling and now it won't start. What can cause this problem? Yesterday I was driving and had to double foot it to keep it idling. Every ...
3
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0answers
591 views

Citroen Xsara - Worked this morning, now won't start

I drove my Xsara early this morning, got back in 2-3 hours later and NOTHING!! Dash lights, headlights, etc. are fine – so battery has power. What could be the issue to happen so suddenly and are ...
3
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0answers
353 views

'02 Hyundai Accent keeps blowing the ignition fusible link

My 02 Hyundai accent keeps blowing the ignition fusible 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 ...
2
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2answers
7k 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 ...
3
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1answer
2k views

Converting Motorcycle From Traditional Distributor to CDI Ignition System

I have a 1985 Honda CG125. The ignition uses contact points, I plan to convert it to CDI. Nowadays, it is difficult to buy contact points and is troublesome to maintain them. What will I need to ...
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0answers
167 views

2008 Ford Escape Hybrid - Ignition, electrical issue

Sometimes when I try to start my 2008 ford escape hybrid rather than starting the electrical system freaks out. Lights flicker, fans stop, doors lock, there is clicking from the steering column and ...
8
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2answers
3k views

What Could Cause Flash Over / Arcing to Reappear on New Plugs?

I had been having some hesitation problems on my 98 Mazda 626 which after a great deal of research seemed to be solved by replacing the plugs: As you can see, there seems to be signs of flash over / ...
4
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2answers
2k views

Toyota Sienna 2005 ignition switch issue?

Takes some time to start up Sienna. Have to take out the key, put it back, wiggle it around, eventually it starts. When it just started happening, we took it the Toyota Dealer and they replaced the ...
3
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1answer
395 views

Bike wont power up

I have a 2001 bandit 600, it ran fine till one day it died mid trip, started again but soon turned off again. Got it home jumped it ran for a few moments then died. The battery is new, and it cranked ...
3
votes
1answer
10k views

What is an igniter?

In researching this question about the behavior of the tach on a Mazda Miata I came across references to a part called the "igniter" that apparently has a role in generating the signal that drives the ...
3
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1answer
17k views

How to unlock Ford steering column

My 96 Contour GL steering column locked up after someone tried to straighten the wheels after shutting the car off. I looked it up an this seems to be a very common problem with Fords, but there is no ...
2
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0answers
952 views

Car engine stutters when hot, and sometimes stalls

My car (Suzuki Swift 1999, engine G10A 1.0) stutters and jerks when hot, after driving for like 10 to 15 minutes the problem arise. The strange thing is that when this happens and i turn off the ...
3
votes
1answer
442 views

How does the ignition system control the Energy of the spark?

An automotive ignition system needs to provide a specific amount of energy to properly ignite the air/fuel mixture in the combustion chamber. Energy = voltage * amperage * duration. A specific ...
4
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3answers
2k views

'89 BMW 525i E34 - Starting problems if car not driven for a day

I have an '89 BMW 525i E34. When driven every day, the car is fine. It has trouble starting when it has stood for a while. This car sat for a few years before I bought it. Even after the purchase, it ...
4
votes
2answers
263 views

Car not starting after jump

I purchased a Ford Escort from a dealer year ago. I've had battery/ignition/electrical shorts/starting & car dying issues. I've bought a new battery for jumping the old battery everyday. The last ...
4
votes
1answer
195 views

What Is The Output Voltage For The Mazda 626 GF 2L 98-2002 Coil Pack?

I've seen aftermarket "high voltage" coils that output 40kV, but what is the output voltage for the standard OEM coil pack? I want to use a spark tester with an adjustable gap to check the strength ...
1
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0answers
5k views

Car makes grinding noise when starting, changed starter and battery, what is the problem?

At first my car would take a long time to start, then it would not start. The battery seemed fine since the car was getting power and would keep turning over with no success. So I replaced the starter....
5
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2answers
4k views

What are the disadvantages of wasted spark ignition? (Consider single cylinder engine)

In four stroke engines, spark occurs twice in one complete cycle i.e. at compression TDC and exhaust TDC (In some vehicles, there is a MAP sensor to identify the compression TDC. In such vehicles ...
3
votes
1answer
599 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 ...
1
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0answers
125 views

2005 Kia Amanti electronic systems turn on randomly without key in car

What would make my lights flash, radio come on, doors lock and unlock, seats move at random times day and night when you are not in car and key is not in ignition? Also my service engine light is ...
5
votes
1answer
120 views

Possible reasons for failing to turn on ignition, strange vibration and sudden stop of engine?

My car is Ford Laser 1992 auto. Maybe it is too old. I have to turn the key a couple of time to start the engine. Recently I found it difficult to turn it on. As soon as it starts (and I switch to ...
7
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2answers
1k views

Distinguishing between mechanical and electrical failure in ignition diagnosis

After a month and a half of not driving the car, yesterday I tried to turn it on, however the only sound that I heard was the rotation of the starter, which is not engaging the flywheel (the engine is ...
4
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0answers
4k views

shakes at idle in drive but fine at park or neutral

I was driving my 2006 Hyundai sonata (3.3L) yesterday during heavy rain. Suddenly check engine light started flashing. When I stopped at a red light, it started shaking badly. I noticed that when I ...
4
votes
1answer
296 views

Ford Focus change ignition pat system chip

I lost my key to my 2000 ford focus but don't want to pay for another key. I have a friend that will sell me the ignition key for real cheap. I was wondering, can I cut the wire an the with the black ...
3
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0answers
47 views

Starting a Nissan Sentra

I have a 2006 Nissan Sentra. My lights and radio are coming on when I turn the key but the car will not start, it doesn't make a sound. I had a full service in February 2016 & I am 5,000 mi ...
4
votes
1answer
2k views

Motorcycle won't stay on when in gear

I've had a motorcycle sitting and it wouldn't start. After charging the battery and using fuel injector cleaner, the motor stays running but only in neutral. I called my local repair shop and the ...
2
votes
1answer
2k views

2002 Jeep Liberty 3.7 v6 misfires and bucks

Have an 02' jeep liberty with a 3.7l v6. Originally received a random misfire code and a code for misfire on cylinder 5. Replaced the coil on cylinder 5 and the random misfire code and misfire for ...
2
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0answers
64 views

09 ford f-150 misfire cyl.5 and 7 only has spark and pulse only went is hot

this hapen after drive the truck for 10 to 20 minutes went stop star misfire at idle only 5 and 7 cyl. has spark and injector pulse if i race the rpm couple time the engine star run normal again
4
votes
1answer
353 views

2004 Malibu not starting

I have a 2004 Chevy Malibu. having starting problem; it turns over and act like it is starting, then dies after a few seconds. Have noticed that it started before,but when i put it in drive it died ...
1
vote
0answers
739 views

Replacing lock cylinder and ignition starter switch but what about codes/keys? [closed]

I have a question about a 2008 Beetle, 2.5l , SE We need to replace the lock cylinder and ignition starter switch. The place is asking us about 460$ in labor, and the parts are almost 300$. We ...
3
votes
0answers
73 views

Ignition causing problems with Electrics?? Ford Focus 06

Really hoping someone can help as taken to a mechanics and they keep charging me $$ although they cant find the fault! My computer system in 2006 Ford Focus doesn't work sometimes ( usually at the ...
4
votes
4answers
2k views

mercury milan key stuck in ignition, shifter will not come out of park

2007 Mercury Milan At first the key was stuck in the ignition. Now it wont shift out of park. Are these 2 issues related? Will installing a new shifter kit fix both issues?
6
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3answers
20k views

Methods of diagnosing a non-starting Fiat Uno

I have a little Uno inherited from my dad. Just before he passed away he was having trouble getting it to start, and before that, having it die on a drive somewhere, even close. I would now like to ...
2
votes
0answers
604 views

96 corolla: is there a way to break steering wheel lock with only minimal damage?

Long story short - after diagnosing my 96 corolla with a blown head gasket (thanks to the members this community), it now needs to be moved to a final resting place where I will hack away at its ...
4
votes
1answer
47 views

Starting issue with 2007 F350 6.0 diesel

Intermittently, when it's cold out and I'm starting starting the vehicle and then shutting it off the vehicle will start to crank while the key is in the off position. With the vehicle in the off ...
3
votes
0answers
123 views

holden jackaroo won't kick over until the third attempt

I've just bought a holden jackaroo and the last 3 days in the morning I have tried to start it but it doesn't even try to kick over but normally on the third try it starts like there is nothing wrong, ...
2
votes
1answer
62 views

LEXUS ES300 '99

Ok so im having a problem that been happening for about 3 weeks. At one time we were at the movie drive in and my car died after 10min. Lights were all coming on and it would make several clicking ...
6
votes
1answer
283 views

Effects of shutting off Nissan altima (or any car) while in drive

Every now and then when I get home after a long day, I pull into my driveway and while the car is stopped (foot on the brake), I turn the vehicle off without putting the vehicle in "Park". Car is ...
4
votes
1answer
2k views

Honda Civic- no start-no crank

I have a 1989 Honda Civic DX Hatchback. I tried to start the vehicle after running it for some time. It did not start. When I turn the ignition switch, the battery light comes on (normal) and brake ...
3
votes
1answer
52 views

Rover Mini Mayfair Auto 1990/H

When cranking, the engine turns and there is a spark....not strong. I can't find the timing mark through the circulled(rubber) hole, but the arrow shows on the cover. How can I freely turn (by hand) ...
4
votes
1answer
1k 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 ...
1
vote
1answer
101 views

How is the power from the battery distributed when starting a motorcycle?

When starting a motor the emf from the battery creates spark (ignition system), but it also moves the engine's pistons (starter). My question(s): 1. Which requires more power - the ignition system, ...
6
votes
1answer
69 views

2008 Grand Prix GPX

What spark plug should I be using? I did my own tune up and the guy at auto advance told me to get some Bosch spark plugs for my car but then I notice less power. A mechanic told me I shouldn't have ...
7
votes
2answers
3k views

2004 Saturn ION with Ecotec 2.2: Engine misfire with code P0300, ICM problem?

Car came in with a misfire complaint and check engine light on with code p0300. Looking at misfire history confirms high misfire counts on cylinders 1 and 4 along with lower counts on cylinders 2 &...
1
vote
1answer
756 views

08 Silverado static/scratching noise from dashboard

Recently my truck picked up a new quirk. When I start or stop the engine there is a static scratching noise that comes from the dash. I also tried turning the key just far enough to get power and ...
5
votes
2answers
1k 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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