› Forums › Car Problems & Maintenance › Nissan › After cleaning spark plugs, HR15 cranks but won’t start. What could be the problem?
May 10, 2025 at 8:23 pm
#872
Matthew
Unless you are dealing with a 1990s or older vehicle, you do not clean spark plugs and rarely need to change them in the lifetime of an engine unless you have other problems causing them to fail.