Can a spark plug go bad and not spark?
If your vehicle has lost its get-up-and-go, bad spark plugs could be the culprit. When a spark plug becomes fouled or dirty, it doesn’t spark effectively which can cause your car to perform sluggishly.
What can cause a car not to spark?
NO-SPARK DIAGNOSIS If there is voltage, the problem is on the trigger side of the coil (pickup, crank sensor, ignition module or primary wiring circuit). If there is NO voltage at the coil, the problem is on the supply side (the ignition switch or ignition wiring circuit).
What to do if your spark plugs are not working?
If you do not have power at all, then the ignition switch may be at fault and the connector to the ignition switch should be checked for any burned connectors and replaced along with the ignition switch if so.
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.
Is there no spark from distributor to spark plugs?
Q: No spark from distributor cap to spark plugs. Car died while driving. Wouldn’t start again. I did basic No start troubleshooting. Tested from the ignition coil to the distributor is good, from the cap itself no power. I replaced the cap, rotor, tfi, distributor itself, and the ignition coil. Same results.
Why is my car sputtering after new spark plugs?
It is possible for there to be a vacuum leak, a faulty oxygen sensor, a catalytic converter that is starting to show signs of failure, or even a possible problem in the fuel system. It will be necessary to do some further diagnostics to determine which system is causing the problem, and then figure out which part in that system is the root cause.