Why is my Honda not getting spark?
There are three primary things that will keep the engine from getting a spark: A bad ignition coil, a bad igniter, and a bad distributor. Remove the distributor cap, the rotor, and the leak cover. Disconnect the black/yellow, white/blue, yellow/green, and blue wires from the igniter unit.
What do you do if your engine has no spark?
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.
Can a main relay cause no spark?
If the fuel pump does not prime AND there is no spark, then it could be a bad main relay, a blown main relay fuse or ECU fuse, or a bad ground connection on the thermostat housing. If you only lack spark, check the timing belt and the coil and igniter unit in the distributor.
How do you check a spark on a Honda Civic?
5) With the engine cranking, you should see bright white spark (with only a faint bluish tinge) rather than weak orange, yellow, or blue spark at the tip of the plug….Secondary coil resistance
- Set multimeter to the 20K (20,000) Ohm scale.
- Measure the secondary coil resistance.
- Done.
How do you know if your Honda Civic has a spark problem?
Take the engine spark plug wires, and plug them onto the end of the spark plug one at a time. Have an assistant crank the engine, while you watch the plug for a spark. You should see white light arcing between the electrodes of the plug. Make note of any wires that fail to deliver a spark to the plug.
How do you fix a spark plug on a Honda Civic?
If the visual image of this is not clear, hold the spark plug at an angle from the grounding point (with the ground touching the threads of the spark plug), and the electrode free of any obstructions. Take the engine spark plug wires, and plug them onto the end of the spark plug one at a time.
How to know if your engine has no spark?
First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.
What causes a Honda Civic to run rough?
The combustion chamber needs to receive an adequate source of ignition to make use of the incoming air and fuel charge. Worn out plugs and faulty wires will rob your motor of power, as well as cause it to run rough. These are simple and inexpensive maintenance items that can end up making a big difference in the way your Honda Civic performs.