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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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1998 slk 230 metal car key replAcement

My key to my 1998 Mercedes slk230 is broke in half on metal key part how do I replace just metal key
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Honda cb 400 sf (nc31) ignition fail

The bike have new spark plugs, clean carbs, healthy battery, starting motor always cranks and working but SOMETIMES there is no ignition but when i push softly with 2nd gear even for 20 cm it starts ...
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Nissan Primera 2004 CVT - starting issue

For the last 3 days I haven't been able to get my car to start, I can make the ignition crank over but it doesn't want to fire up. I do have an solid engine light going on the dash. Prior, last I had ...
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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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No power to bike

I have a 125cc scooter, n you turn the key and there’s no movement on the dash and no lights, the bike won’t start at all. It’s fairly new, I’ve checked the fuses and they’re all connect and in ...
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Negative ignition timing vs valve exotherm temperature

I am setting up antilag and I have no ability to do an ignition cut. So to emulate an ignition cut I am setting ignition timing extremely negative to induce a misfire. Where would the valve exotherm ...
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26 views

Suzuki Intruder VL1500 Ignition Coil Difference in Front and Rear

My Suzuki Intruder VL 1500 (1998) has a front and rear ignition coil according to the OEM specifications... I'm curious if these are essentially the same even though the have different part numbers. ...
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2004 yamaha R6SC

OK so here's my problem ignition wires got cut on my bike so until I get the new ignition I just bypassed the ignition. But now there is no power to the push start button on right handle bar and the ...
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2008 Acura TL sometimes doesn't start on first try

I have a 2008 Acura TL and have been having issues starting my car. Recently when I turn the key in the ignition, the car electronics will go out like it lost power. I've learned that opening and ...
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Mercedes C220 W204 (2007) clicking sound when ignition is on position two

yesterday I started the engine of my Mercedes C220 W204 (2007) without any problems, I passed few kilometres and when the trip ended I switched off the engine. I noticed very loud clicking sound in ...
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2answers
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Does a 1998 Suzuki Intruder 1500 (carbureted) Have a Ignition Distribution Adjustment

I've replaced the alternator and signal generator on my 1998 Suzuki Intruder VL 1500 and since it back fires like crazy and most of the time will not start or run without full choke. I'm thinking this ...
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2002 RAV4 starting problem

I have a RAV4 that I've been trying to get running for a while now. Here's what's working: Spark based on simple light tester Installed coil packs from a known working engine and new plugs ...
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Installing an external ignition kill switch on a 2015 VW Golf?

I'd like to install an ignition switch on a 2015 VW Golf. Something hidden, but near the front of the car .. maybe on the top of the wheel well. Nothing under the steering column or inside the car. ...
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2004 Kawasaki Vulcan 1500 Classic Parking lights and brake lights aren't working

2004 Kawasaki Vulcan 1500 Classic Parking lights and brake lights aren't working. Parking lights work with the ignition switch in parking light position but not in run! It will start and run. I'm ...
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1answer
31 views

help diagnosing intermittent non start and cut out

Car sometimes starts, sometimes not, and also cuts out during driving, I’m assuming this is due to same cause. Mechanic said there is fuel starvation and perhaps fuel pump is not working and that I ...
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Running engine without ignition condenser/capacitor

tl;dr: Is the capacitor inside a 97 Corolla's distributor important? A few months ago my 97 Corolla wouldn't start. After some investigating we found what looked to me like a bad capacitor (plastic ...
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2010 Ford Fiesta Mk7 diesel single click/tick instead of starting, eventually starts

I have a 2010 Ford Fiesta Mk7 diesel that clicks/ticks once when I turn the key. This will happen a few times (say, between 3 and 10 times), and then (usually) it starts. It's getting worse and today ...
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Clicking sound in engine, very strange evolution

I have come here in hopes to get some help regarding my impala. It is a 2006 Chevy Impala with a V6 engine, I was out of town for 2 weeks and when I got home I got in my impala and stated her up. it ...
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1answer
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CMP/CKP correlation vs Ignition timing Vortec 5.7L

I own a 1996 Chevy Tahoe. It is a 5.7L Vortec with 4 door. The engine is knocking and pinging and the power is sluggish after there were some servicing done and I can see that the CMP/CKP correlation ...
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1answer
31 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 ...
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44 views

Does a motorcycle have less power when using a DC CDI?

I Have a motorcycle yamahat dt 125...123cc...The problem is that it has a very low power max it can go is 30 km/h,if you listen to it when accelerating it seems ok....I`ve tried every thing to fix it ...
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VW Polo TDI new key not working properly

VW Polo TDI , key flip broke and i bought a new case and transferred the chip circuit and key blade to the new case from the old one . Remote is working , i can unlock and lock the door from outside . ...
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Car turning over but won't start after driving, but starts again after sitting for a while

I live in relatively cold temeperatures, and after I drove to school one day my car wouldn't start an hour later. It turned over fine so it's not battery, it just wouldn't actually start. Came back ...
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Electronics Flicking on and off

so last week I pulled the rocker cover off my Celica 7th gen to get at the broken lift bolts (typical), also cleaned MAF sensor and throttle body while I was at it. After putting everything back ...
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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 ...
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Wasted spark ignition systems on a multi- cylinder engine

In a wasted spark system if the firing plug on the compression stroke requires 10,000 volts and the wasted spark coil is designed to put out 20,000 volts, is the voltage split in half. How exactly ...
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1answer
43 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 ...
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1answer
32 views

2014 Ninja 300 - Electrical debugging

Bike is electric ignition with dfi. So the past couple days it has been raining in Socal and I don't have a bike cover. Yesterday, I took my bike out over lunch (in the rain) and it started having ...
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key doesn't turn smoothly in the ignition

I have a 2014 Toyota Yaris LE automatic. I have noticed lately when I insert the key and turn to start the car it's a bit rough not smooth as it used to be. The key turns no problem and the car starts,...
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2answers
32 views

2003 jetta chip key programming

I have a 2003 vw jetta which I have lost key for. I have bought the new chip key and was wondering if I can program it myself and what do I need?
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2001 Mercury Sable Ls

I have a 2001 mercury sable that is drawing power from the battery when the vehicle is off. The amps being drawn are about .55amps. After going through the fuse panel in the passenger compartment and ...
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1answer
23 views

Car won't start with jump but making starting sound

Our Mazda 3 wouldn't respond to the power lock and, when I opened it with the key, it wouldn't even make a click trying to start it. When I jump started it using our Toyota Tacoma, it would start ...
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1answer
132 views

Brake pedal stuck, no crank, no horn after sleeping in car

Not sure what might've happened, but I slept in my car for a little bit and mistakenly slept pressing down the brake pedal. When I woke up, I tried to turn on the car and I wouldn't get any crank ...
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1answer
422 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" ...
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1answer
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My 1997 lancer jerks when accelerates and shakes when idling

i got a big problem, I have a 1997 Mitsubishi lancer, with a 1.6 liters engine, a 4g92 to be exact, and when Its idling it keeps shaking, the exhaust sound like there are little misfires, but no check ...
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Seat Cordoba 1.2 engine, 2005 - ignition coil

Hi i have a little problem there. yesterday i found one of my cylinder stopped working, i swaped coil 2 to coil 3 (my car has only 3 cylinders), and i found that the coil nr 3 stopped working because ...
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1answer
382 views

Ignition coil upgrade

My motorcycle felt unresponsive these past few days and found out that it was caused by a weak spark because the ignition coil is about to go bust. Since I am thinking about doing an upgrade to a ...
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Volkswagen tiguan 2011 ignition problem and sound

When i start my vw tiguan after hours of rest, the rpm goes up to 2.2 (normally it was going to 1.2 approx) then goes down to 1.2 while making noise and crops as if it was turning on and off within ...
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2answers
453 views

1991 Mercedes 190E fails to start if it's been parked for at least 1-2 hours but less than 1 day

I have a 1991 Mercedes 190E (gasoline, not diesel), and while it's still a reliable car, it has a strange problem with starting the engine that left most people I asked puzzled (including mechanics), ...
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1answer
43 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 "...
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29 views

No crank or start

I have a 2001 Ford Mustang and I put a new ignition locking cylinder and and a different ignition housing and a new antenna immobilizer and I even have the chipped key attached to the antenna ...
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58 views

Will I throw a balanced and blueprinted engine out of balance by gluing magnets to the harmonic balancer?

I want to measure the position of the crankshaft with my homemade car computer and compare it to the signal from the no. 1 spark plug so I can measure the engine timing while driving. I was thinking ...
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Car not starting from time to time

Ford Figo 2012. Some mornings my car start 1st turn of the key. sometimes it will start after a couple of turns and the other day I had to get somebody to push it for me. Battery and alternator 100% ...
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2answers
227 views

1996 Volvo 960 won't spark or inject

After a customer had destroyed his engine(wrong fuel), the engine was replaced by my colleague with a 2nd hand one from a running car. However, it won't inject or spark when starting. It concerns a ...
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1answer
245 views

What would cause repeated failure of ignition coils?

I have a Nissan 2008 Rogue, which is fired by ignition coil. I've been experiencing repeated singular ignition coil failures every 1-2 months now for the past 6 months. I'm on my 6th failure, never ...
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200 views

Kia Cerato 2009 won’t start - dash lights won’t work

Yesterday I disconnected the battery and reconnected it again (correctly) so I could change a head light as it was very hard to reach. Once the battery was reconnected my car wouldn’t start and my ...
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1answer
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1999 Accord Cranks but won't start after replacing ignition switch

I have a 1999 Accord and the ignition switch recently stopped being able to be turned. It had been acting up and sometimes would turn and sometimes wouldn't, but whenever it turned, it started with no ...
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Starting the car

I just bought a new Honda Civic 2018 LX, and I was wondering: When inserting the key into the ignition, should I wait on the ON position until the lights settle before starting the engine?
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My Mutsibish Pajero, Model 1995 has become hard to start in cold weather to start immediately

My Mutsibish Pajero, Model 1995 has become hard to start in cold weather to start immediately. I have to try like 2-3 times yet I do the pre-heating as required.
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Switched fuse always on

Wondering if someone can help. I am putting in a GPS unit in my friends truck. Not the first time I've done this in his truck. Last time we ran the red ignition wire to his fuse box using the supplied ...