Valves tapping?
Detonation...Needs to be fixed immediately or will eventually destroy engine.
There are many reasons why a Jeep Wrangler is overheating. A leak in the radiator system will cause overheating. Too much pressure in the engine can cause overheating. A bad water pump or thermostat could cause overheating. The transmission can also cause overheating if it is leaking.
A bad rod bearing
After fixing the cause of the trouble code, you clear code with a scan tool.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
you have a bad crank senser
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Probably a worn out engine.
If there is a clicking noise get it to a mechanic you engine is blown and may be saved. Most likely you'll need a new one because a lifter is broken and it would be cheaper.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired
Weak battery? Loose or corroded battery cables? Starter solenoid?
check if your battery is low than usual ..might be alternator problem