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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
Car starts bucking/jerking when letting off gas on the highway
This is very likely a throttle issue. There is an idle control module (or similar setup depending on your make and model) that is located on the throttle body which helps the gas regulation during these moments. Otherwise, without a...
Question
Engine misfiring - 2003 Santro Xing
Hey there. The problem with a misfire is going to involve the spark plugs or spark getting to the plugs. If the engine has no spark problems, then a fuel-related issue may be you got water in the fuel or...
Question
It seems like the engine isn't receiving fuel properly.
Hey there. It is possible that there is a weak fuel pump issue, but there are several possible problems that can cause an engine to misfire. There could be a faulty ignition coil, a bad fuel injector, clogged fuel filter,...
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
Change my timing chain. Got it on time from upper to lower chain tensioners and now I have no spark.
Hey there. I would recommend checking the camshaft position sensor as this sensor is located near the timing components, to be sure that it is plugged in correctly and working properly. I would also suggest checking the crankshaft position sensor...
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
My Chevy will die after it has warmed up, as if I shut the key off
Hi there. Any number of components can keep your vehicle engine from running. It would appear you have already replaced several of the components. Ignition timing does not typically change unless you change it by turning the distributor. The ignition...
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
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...

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