What can cause the check engine light not to come on?
the check engine light should come on when key is turned to on. cluster does a bulb check every time key is turned to on. if it is not coming on,then it could be a fuse or the bulb its self is burned out in the cluster. check owners manual,and or fuse box lid/cover for fuse location first.
What can be the problem if your car don’t want to start?
Car still won’t start?
- Dead battery. A dead battery is the most common reason why a car won’t start.
- Battery corrosion. Corrosion on your battery can spell trouble.
- Bad starter motor.
- Bad timing belt.
- Broken or cracked distributor cap.
- Bad ignition coil.
- Clogged fuel filter.
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 does it mean when your check engine light comes on?
The check engine light provides an idea — sometimes precise, sometimes vague — of what’s wrong with a car. However, it does not replace a skilled mechanic or routine maintenance. In other words, don’t wait until the check engine light comes on to get your car maintenance done.
How to test the spark Tester on a car?
1 Select an easy-to-reach spark plug and unplug the spark plug wire, or coil wire, or coil on plug (COP). 2 Set the spark tester to 40KV, and plug it in at the end of the spark plug wire or coil wire. 3 While watching the spark tester, have an assistant crank the engine. 4 You should see a bright spark jumping the gap in the spark tester.
What to do if your spark plug doesn’t ignite?
Filling up the cylinders and failing to ignite the fuel will flood your engine. Test your spark plugs wires. These wires carry high voltage so exercise extreme caution when handling them. Insert a spark plug tester into the plug boot (end of the wire) and ground it on a piece of clean, unpainted metal on the engine.