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Spark

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How to Replace the Electronic Spark Control Module
The car ignition has an electronic spark control module that fails when the Check Engine Light illuminates or if the engine does not start.
How to Diagnose a No-Spark or Loss of Power Condition on a Modern Car
Misfires caused by a loss of power condition on a car can be tricky to diagnose, but are necessary to fix to avoid further damage and costly repairs.
A Buyer’s Guide to the 2013 Chevrolet Spark
The Chevy Spark nimbly walks the line between being functional and being totally adorable. In the spirit of mini cars past like the Ford Festiva and the Yugo, this spritely little creation offers...
The Best Used Cars to Buy If You Don’t Have Kids
Buying a used car is rarely a simple process, but if you don’t have kids, you have many more options than those who have to account for additional passengers. There are...
The Best Used Cars to Buy That Can Be Towed Behind an RV
Summer is a great time for a road trip, but often travelers like bringing all the conveniences of home along, in the form of an RV. Then they tow...

Related questions

Question
Still no spark, replaced crankshaft position sensor 2002 Dodge Ram 1500
Hello - for a "no spark condition", I would check for problem codes first, whether the Check Engine Light is on or not. Any saved codes, whether transient, or permanent, could be very helpful with this diagnosis. I would suspect,...
Question
Why would my car have no spark after it was shutoff?
Hello. A no spark condition can be caused by several components. You may want to use a voltmeter and a spark tester to preform some relatively simple tests. When you talk about cleaning and checking the spark plugs, were they...
Question
My 95 Honda Civic is only running on 3 cylinders.
Any time you have a misfiring cylinder the easiest thing to do is to replace the spark plugs and check the plug wires to see if valve cover leaks oil onto plug wires in spark plug holes. If it does...
Question
Plug wire attached to the distributor cap are arcing from the wire to the distributor cap.
Hi there. The spark plug wire is arcing for there is a least path of resistance on the distributor cap. There could be a crack in the cap, but most of the time the spark occurs due to lack of...
Question
Rear bank of cylinders has no spark.
Hello. A no spark condition can be caused by a wide variety of issues. If the issues appear to be affecting an entire bank, that is an entire side of the engine, then it may be possible that there is...
Question
Vehicle stalled while driving and will not restart
Hello, thank you for writing in. The first thing you will likely want to look into is the fuel on the spark plugs. It sounds like one of your fuel injectors may have failed. If they are leaking and too...
Question
Car intermittently won't start
Hi there. An intermittent no start condition, can be difficult to diagnose. Replacing the fuel filter would not hurt anything, especially if it hasn't been replaced in the last 30,000 miles. Diagnostic procedures should be performed, at the time of...
Question
Engine won't run - 2002 Ford Explorer
Hi and thanks for contacting YourMechanic. When verifying that the engine will not run, check the three elements of combustion. Check for air, spark, and fuel. If the engine is getting proper amounts of air and the filter is...
Question
Clutch/gearbox oil 2013 Chevrolet Spark
Hi there - your Spark clutch is a "dry" clutch, which is to say oil/grease are the last thing you want near the clutch friction surface. It does sound like yours is slipping, and may have gotten engine oil or...
Question
When cranking the engine, there are a few sparks on the ignition coil and then they cut off
That green key light flashing is the vehicle's immobilizer system. The system either does not recognize the key, or has not received the key ID, and stops the engine from starting. This is why you see some sparks, then it...
Question
My truck keeps giving me the cylinder #8 misfire code
Hello. A continuing misfire on #8 suggests a bad plug wire, a bad spark plug, or possibly oil leaking down onto the #8 plug, shorting it out. Also, if one plug wire is bad, replace them all. Given your mileage,...
Question
My car is not starting; what should I replace?
Your engine's computer gets crank signals from the crankshaft and camshaft sensors and then uses these signals to fire the coils. To see if the sensors are sending these signals to the computer, you can scan the computer using a...
Question
My car won't start up
This can be caused by many different things, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
Question
What is causing my engine misfire?
Engine misfires can be caused by a list of problems, but there are a few suspects that occur more than others. Generally, misfires are caused by either a spark or fuel issue, or in some cases a combination of both....
Question
Installed new battery won't start - 2001 Dodge Durango
There are number of things that may cause an engine not to start which may or may not be related to the battery. This may be related to many different possibilities, some of which may be related to a lack...
Question
My car shut off while driving and it won't turn back over
Assuming the engine is getting fuel with the new fuel pump, the next step would be to check for spark. The engine needs spark, air, and fuel to start and run. Air is almost always present, and again assuming fuel...
Question
Missing on cyl 1,3,5.
Hello. No spark for an entire bank, or side of the engine, can be caused by a few different things. If cylinders 1, 3, and 5 are all experiencing the same issue I would consider the possibility of a faulty...
Question
Ongoing issues with misfires
With the engine light being on, the very first step is to have the vehicle scanned for diagnostic troubleshooting codes. These codes will tell you what system is malfunctioning and steer you in a general direction for inspection. Misfires are...
Question
No spark to coil and module
There are a number of issues that may cause an ignition system to not produce spark. A bad crankshaft position (CKP) sensor (on engines that do not have a distributor), or broken, loose or corroded wires from the sensor...
Question
Turns over but wont start
A no start diagnostic would reveal the cause. Try holding the accelerator pedal to the floor and cranking the engine. If the idle air control valve is stuck closed and/or the intake air charge is insufficient, the vehicle should start...

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