![]() ![]() You can imagine that if a little gas sits for a couple of years and jams up your carburetor, the same could happen in the gas tank. This problem is pretty easy to identify – take a look at your air filter and see what condition it’s in. Most commonly, they get clogged by oil that has leaked out when tilting a lawn mower incorrectly, or just over time after filtering out all the dust and debris in the air. Sort of like carburetor troubles, a clogged air filter won’t let your engine get as much air as it needs to run.Īir filters can get clogged up for a bunch of reasons. Leftover fuel that sits in the carburetor bowl creates a varnish-like buildup that gums everything up. This is especially likely if your mower has sat for a couple of years without running. Usually, this happens because the carburetor is dirty. Starter fluid might be enough to get the engine going initially, but if the carburetor isn’t delivering the right mix of fuel and air, the engine won’t be able to stay alive. Nobody likes to hear that the carburetor might be the issue, but in this case, it is a very common one. Let’s talk about the possible causes a bit more before getting into the fixes. If you’ve managed to get the engine turned over with the help of some starter fluid, you might not need to go much further to have it running smoothly. Most of the reasons why a small engine starts with starting fluid then dies are related to the fuel supply. Possible Causes of a Mower That Dies After Using Starter Fluid It can get a little bit confusing when trying to figure out what problem you might be having, so I’ll talk about these issues in more detail below. The main reasons for why your lawn mower starts with starter fluid then dies are: issues with the carburetor, a clogged air filter, bad or old gas, spark plugs that aren’t firing correctly, and an improper oil level. Translation: "I have checked my ECU and main relay for voltage and they seem to be receiving adequate current.3.5 Adjust the Oil Level Why Does My Mower Start With Starter Fluid Then Die? (The Short Answer) KidEg8: "ive also checked my ecu and main relay" Translation: "Perhaps I should mention that I used the engine harness from my original engine on the transplanted engine." KidEg8: "oh and I only changed the engine harness" What could be causing the engine not to run properly?" Translation: "Heavens to Betsy! I am stumped as to the cause of my engine woes. Once the starter spray ceases, the engine stalls again." Translation: "If I spray starter fluid into the intake manifold, the engine will fire temporarily. KidEg8: "now when I spary starting fluid it starts but bogs out as soon as I stop spraying" ![]() The fuel pumps prime and generate adequate fuel pressure and the spark plugs are firing but the engine fails to start." Translation: "When I turn the ignition key, the starter engages and spins the engine. KidEg8: "it turns over has fuel pumping and spark but still wont start" Translation: "I also had to modify some wiring to make the alternator work correctly." Translation: "I soldiered through the technical diagrams and managed to make the conversion." KidEg8: "I changed it and, mad my dizzy from obd2 2 obd1" This required me to convert the wiring to OBD2 as my vehicle was of the newer generation." Translation: "The engine I put into the vehicle had On Board Diagnostics version 1. KidEg8: "its an obd1 motor so I had to change my wire harness" I have a Civic LS which now has a V-Tec engine." I recently completed a transplant of the engine in my automobile. Translation: "Good afternoon fellow Honda Civic enthusiasts. I just built my ls vtec motor its an obd1 motor so I had to change my wire harness I changed it and, mad my dizzy from obd2 2 obd1 and my alternator it turns over has fuel pumping and spark but still wont start now when I spary starting fluid it starts but bogs out as soon as I stop spraying wat could b the problem oh and I only changed the engine harness ive also checked my ecu and main relay eat could it bSome punctuation would be nice too. ![]()
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