Why does my Mercury outboard turn over but not start?
Mercury outboard cranks but will not start refers to when the Mercury outboard motor’s crankshaft turns but will not cause the motor to begin to work, or maybe it starts hard when cold. Meaning the engine will not start up or fire. Now, there can be many reasons for a Mercury outboard to turn over but not start.
What should I do if my MerCruiser engine won’t start?
Mercruisers have a powerfulignition system that will shock the hell out of you! Your local Auto Parts Supply Store will usually sell a Spark Tester. Get the best spark tester they have. This is a great tool to keep in your boats tool box.
What should I do if my Mercedes Benz won’t start?
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
Why does my MerCruiser Tester have no spark?
Make sure the other end of the tester is attached to a good clean ground. Crank the engine and check for spark. If you have no spark, there are several things which can be at fault. Below is a quick list of items which can cause a “no spark” condition from the coil: 1. A bad key switch. 2. A blown ignition fuse. 3.
What should I do if my Mercury Mariner wont start?
Grab your voltmeter and yank the starter relay. You’ll be testing the terminals in the relay socket. Look at the bottom of the relay to find the terminal number and locate those same terminals in the socket. With the key turn to the START position, you should see battery voltage on terminals 2 & 3.
Where is the starter relay on a Mercury Mariner?
Ford uses an antitheft system to tell the PCM to energize a starter relay located in the battery Junction box. The image shown here is from a 2008 Ford Escape, Mercury Mariner. So your first job is to find out whether the no start problem is due to a bad relay or some other component or wiring harness.
What makes a MerCruiser engine not start up?
1. A bad key switch. 2. A blown ignition fuse. 3. A bad harness connection or bad harness. 4. A bad shift cable. 5. A faulty Shift Interuptor Switch on the shift plate assembly. 6. A shorted tachometer. 7. A removed or faulty Safety Lanyard Switch. 8. A bad ignition coil.
Make sure the other end of the tester is attached to a good clean ground. Crank the engine and check for spark. If you have no spark, there are several things which can be at fault. Below is a quick list of items which can cause a “no spark” condition from the coil: 1. A bad key switch. 2. A blown ignition fuse. 3.