Boat Engine Starts Then Dies After Few Seconds Turns

Saturday, 6 July 2024

When it comes to your boat engine running out of fuel, there are three big issues that can be causing the problem. However, I see the issue now as I have to fully removed the other half of the metal piece and basically unscrew it from a fitting that mounts to the block. I would get a fuel pressure test gauge from any parts store and follow these videos on the fuel system. Mechanical fuel pumps are usually operated by either a diaphragm or crankcase pressure or an arm and a lobe on the camshaft. 1997 Silverton 362, 7. Went to a marine shop, picked up the part (which is a new design now) and started to remove the old switch. Defective Airflow Sensor. Incorrect amounts of air or fuel will cause the engine to run sporadically or not at all, as will a weak or improperly timed spark. I've just gone (am going? ) If your boat engine continues to stall, we still need to cover the blockages issue. Thanks for all the help guys.... Engine Starts and Dies within seconds. The port side pump does sound a lot healthier than the starboard side. And yes, what is that chunk of crud doing in the main nozzle?

Boat Engine Starts Then Dies After Few Seconds Of Running

This should help Dan S/V Marian Claire. Or, if your boat doesn't have a selector switch, it should lead to a fuel water separator. If the fuse isn't blown. Here are my responses to your reply's. Location: Lake Powell. Engine starts great dies in few seconds as if fuel starved.

Clean up the boat and took it to the lake. I have an '81 Evinrude 4. I wasn't clear on the engine dies part. Sputter to a stop like the engine has run out of fuel? Engine starts runs fine then dies out. Ran for 5 plus minutes no mpared to 5 seconds, and 1 min this is good. That wire is often a fuseable link on older cars and boats. Thanks for reading and we look forward to reading your responses and comments. You are now already in a position to help other a-4 owners that find this forum. Hey Mike, I will be going down to the boat in a little while. I want to try a back flush through the passage, but i can not find the opening to the passage from inside fuel bowl.
I run my boat everything is perfect the whole time. I reset it and have power to everything until I start the motor. The 2 seconds you talk about sounds like the time for your key to return to the run position from the start position. Have your engine thoroughly inspected paying close attention to: Pistons, cylinders & valves. Why Does My Outboard Keep Stalling & Why Outboards Run Out of Fuel. The day before I ran all day with not a problem one. I agree, that is seems like starving for fuel, just needing to track it down.

Boat Engine Starts Then Dies After Few Seconds To Mars

Where is the middle exhaust manifold nut??? Other than the distributor sensor going, my stalling issues have always been carburetor related. So I just replaced the fuel water separator as part of my routine for summer, and after a bit it now seems to start and stay running longer. Bill, yes it is an electric fuel pump. Jumped together, and started her up.

It was dark by then so I figured I'd pull it out of the water tomorow, bring it to my shop, and diagnose further. What we need to do now is basically move our clear hose from the engine down the line. That's my lame excuse. The realist adjusts the sails... William Arthur Ward. It's getting the correct fuel pressure. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. Boat engine starts then dies after few seconds of driving. We'll move straight to the fuel tank pick up and see what's going on there. I hooked up the positive to negative & vice versa on the battery. Anyone know if my symtoms are consistant with a 6. Worn piston rings, cylinders and leaking valves can lead to low compression in your boat motor. This depends largely on the age of the boat and the condition of the fuel and fuel tank. Yes that is what I suggested to make a jumper to fit between the OP switch wires. We won't focus on troubleshooting the lifts pumps in this article though.

I even trie dhte switch by pass trick with a jumper, but still the same range, because when I ran bypassed mode the other day, with a jumper it ran fine. Until the problem is resolved, your boat won't leave the dock. Easy way to check pump performance is to bypass the OPSS, a short wire with alligator clips works well. Air boxes, especially those that are stored in non-marine environments, are susceptible to being clogged with debris such as animal nesting. General layout of the fuel system. What Causes a Boat Motor to Lose Power? I have an '06 292 with 6. Between the pickup tube that is in the fuel tank, to the engine lift pump. You can make a jumper using 2 spade lugs with a piece of wire crimped between them. Boat engine starts then dies after few seconds of running. Happens real often when someone tries to use booster cables and hooks the battery up reversed. Designed to regulate the engine idle speed, a malfunctioning idle air control valve can cause the engine to stall. After a few squeezes she starts back and runs fine like nothing has happened at all. Not sure if it's something to be worried about or not?? If I am correct it gets powered by the starter when starting and once oil pressue is achieve power comes from a oil pressure switch.

Boat Engine Starts Then Dies After Few Seconds Of Driving

The content contained in this article is for informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. Through this - you may want to browse through the thread 'Carb Overflows'. The boat is still on stands from the winter. Hi, I would like to post a question to see if anyone else has encountered this same problem. If I described the problem to people this was their first answer. In fact, it sounded like maybe one of the cylinders was freezing up as the engine was running. Ignition (unlikely, since nothing warms up much in 2-3 minutes). Boat engine starts then dies after few seconds to mars. I have also disassembled and reassembled the carb 3-4 time per the OEM manual instructions and can not find anything wrong. The latest... Hello all. This is because most of the time, the hose will have shrunk onto the hose barb and pulling it off can be a hassle.

In the event where the water separator or bracket isn't the issue. To provide you with some clarity, for over a decade now, most outboard boats do not come with anti-siphon valves. It starts just fine, but it will not run for more than 1 or 2 seconds. Most boats' fuel pickup systems have these components in them: You have the fuel tank pickup in the tank. Since it is the same thing that was happening before the carb was rebuilt, so I hesitate to assume it was a detective kit and order another. The other part is the oil pressure sensor that has one wire that connects to the oil gauge at the helm. And start the engine to see if the pump is moving fuel. And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy! After doing a little research it appears that the Merc cool fuel set up uses both a low and high pressure fuel pump in each module?

US Member - 2 Years. If none of these suggestions stops your engine from stalling, then it's time to call on a professional mechanic who specializes in marine engines. The others will chime in and have some good ideas for you as well. Cleaning or replacing the airflow sensor may clear up your stalling problems. What kind of readings should I be getting? The only way to diagnose this to run off an auxiliary tank. So I was able to recreate the problem, and prove out the switch. And then listening to hear if the pump turns on and activates. Engine starts just fine but will only run for 30secs and then chokes down and dies. The guages still have power. Water separators get dirty and can create a bad restriction in the fuel system. The OP (oil pressure switch) is located on the block just above the oil filter or where the remote filter hoses attache to the block (port side far back and low).

I know this is due to me hooking up the battery wrong, but I thought that the main breaker would protect everything. Do this for just a few seconds and turn the key off.