ull charge on battery .. what now??
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Experienced gardeners share their insights in answering this question :
If you replaced the coil, double check to make sure the wires are hooked up yo it right.The spark comes from the coil

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

Loss of spark is caused by anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.
A Bad Crankshaft Position Sensor

The crankshaft position sensor monitors the position and rotational speeds of the crankshaft. Without the crank sensor, the engine control module (ECM) wouldn`t know when to fire the fuel injectors and ignite the spark plugs.

If you do not see a spark, there is an ignition problem. Remove a plug wire and insert an old spark plug or a spark plug tester into the end of the wire (the plug boot). Place the spark plug on a metal surface on the engine, or ground the spark plug tester to the engine. Then crank the engine to check for a spark.
If there`s no spark or the spark is weak, check the resistance of the wire that connects the ignition coil to the distributor cap. Consult the wire resistance specifications in your repair manual. If resistance is within specifications, continue with the next steps; otherwise, replace the wire and test for spark again.
The distance between the tip of the spark plug and the central electrode is called the “spark plug gap” and is a key factor in the function of a spark plug. Spark plug gaps for car engines are typically 0.6 to 1.8 mm (0.024 to 0.071 in).
When something is plugged in, or turned on, some of that very fast, hot electricity transfers from the outlet into the appliance, light, computer or whatever. A rapid draw on available power occurs, resulting in a brief spark. This is normal and no more threatening than a mini-jolt of static electricity.
your engine misfires and shakes: if a map sensor reports a false high pressure reading, the engine`s computer will signal for more fuel. this results in a rich mixture, which can foul the spark plugs and cause a cylinder not to fire.
If the ignition relay shorts, burns out, or otherwise fails while the engine is operating it will cut off power to the fuel pump and ignition system. This will cause the vehicle to immediately stall due to fuel and spark being cut off.
If your engine is not sparking, it may be due to a problem with the CDI box. However, other potential causes of no spark include issues with the ignition coil, spark plug, or wiring.
One of the first symptoms of a problem with the ignition module are engine performance issues. If the ignition module fails or has any problems it can lead to performance issues with the vehicle, such as misfires, hesitation, loss of power, and even reduced fuel economy.
The battery, a generator and a more complete vehicle electrical system provided a relatively stable electrical supply to the ignition coil.
An ignition control module is usually located somewhere in the engine compartment, either on the engine, the distributor assembly, or the firewall (the panel that separates the engine from the passenger compartment).
Use your spark plug gap tool to adjust the gap. Gently bend the ground electrode in to narrow the gap or bend it out to widen it. Be very careful when making adjustments. Don`t bend the electrode more than a few fractions of an inch.
Many think the larger the gap, the better. However, if the gap is too large, and the ignition system can`t provide the voltage needed to spark across the gap, or turbulence in the combustion chamber blows out the spark, misfires will occur.
Many factors can cause a spark plug to fail; from incorrect heat ranges to improper gapping, to chemical contamination. Yet 90% of spark plug damage claims are due to improper torque. Many factors can cause a spark plug to fail; from incorrect heat ranges to improper gapping, to chemical contamination.
Sometimes homeowners come across outlets that are too hot to touch even when nothing is plugged into them. A hot outlet indicates an issue that requires immediate attention. It can happen due to loose or corroded wires, wetness, or unplugging something from an overloaded outlet, and may even result in a fire.
When any changes are made to the engine of a car, the ignition timing is adjusted accordingly. If not, you could experience several problems with your engine with improper ignition timing like knocking, hard to start, increase fuel usage, overheating, and reduced power.
Crank position sensors (CKP) are an electronic device used to monitor the position and speed of the crankshaft. The information obtained by the crank sensor helps the PCM control the fuel injection and ignition timing, such as with variable valve timing and other engine parameters set by the manufacturer.
Why do MAP sensors fail? Like most electric sensors, MAP sensors are sensitive to contamination. If the map sensor uses a hose, the hose can become clogged or leak and unable to read pressure changes. In some cases, extreme vibrations from driving can loosen its connections and cause external damage.
Check the MAF sensor and clean it out with dry air. Then put it on and disconnect the battery for 12 minutes and hook it up. This will clear the computer to want to relearn itself. Then drive the vehicle and see what happens.
The MAP sensor`s job is to determine the load being placed on the engine and deliver fuel to the engine accordingly. With the MAP sensor disconnected, the fuel delivery will be excessive and could cause harm to the engine and exhaust system (catalytic converters).
stalling: a failing ignition module can occasionally prevent the engine from getting spark, causing it to stall. 4. car won`t start: an engine needs four basic things to run: fuel,compression, spark and exhaust. if the ignition module has failed completely, the vehicle won`t get spark and won`t start.
Spark issues are the most common symptoms of failing stators, known as “Misfiring.” If you haven`t already known, stators are directly responsible for producing the required spark for your spark plug. Once they malfunction, the motorbike will receive insufficient – or worse, zero – sparks.
If the ignition coil does not have spark, it`s time to check its wires. Use a test light to check the continuity on the signal wire and power wire on the ignition coil. If both wires are functional but the coil fails to produce spark, the ignition coil or the ignition control module is bad.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

I need the spark plug gap for an Ariens ST624E. the spark plug = 21533500
ANSWER : The recommended setting is .030″

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Ryobi troubleshooting Recently bought the two set package of 18V lithium batteries however the tool will not work. It was working however it has stopped . Tried two different batterie , both fully charged ,with no results.
ANSWER : The motor may have overheated and burned open. Use a multimeter to check resistance across the battery contacts in the tool with the switch closed. If it reads open, the motor has failed.

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<!– from fixya rte –>Spark plug gap setting poulan pro 033. – Poulan Pro Prod/Poulan Weedeater Poulan Pro PP5020AV 20" Gas Chain Saw
ANSWER : .025″ plug gap

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What should the spark plug gap be on a weedeater trimmer 25cc
ANSWER : Set it at .025

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Spark plug gap – Poulan Wild Thing 2375 18" Gas Chain Saw 2.5 Cuin
ANSWER : Most small engines run with a 0.025 inch / 0.63 mm Gap

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Spark gap mtd 173cc mower
ANSWER : Contact MTD if your manual doesn’t cover this, or buy a shop manual.

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2003 cavalier spark plug torque settings – Champion International Champion& Small Engine Spark Plug 8 Pack
ANSWER : Nobody torques spark plugs, just put anti-seize on the spark plug threads and hand tighten the spark plugs.

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No spark on a 2116 mcculloch chainsaw
ANSWER : I think you need to replace the ignition unit as you seem to of checked everything else

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