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Why Does My 2011 Mercury 40hp EFI Stall After Starting?
It sounds like you might have a poor connection in the wiring harness from the remote control to the engine. Sometimes, a loose or corroded connection can cause intermittent stalling issues. I’d recommend cleaning and inspecting all the male and female connections in the wiring harness. Make sure evRead more
It sounds like you might have a poor connection in the wiring harness from the remote control to the engine. Sometimes, a loose or corroded connection can cause intermittent stalling issues. I’d recommend cleaning and inspecting all the male and female connections in the wiring harness. Make sure everything is tight and free from corrosion. This could solve your problem if it’s a connectivity issue.
See less2006 Dodge Ram Check Engine Light, Misfires, and Rough Idle
One common cause of engine misfires and rough idling is a problem with the ignition system. You might want to start by checking the spark plugs and ignition coils. If the spark plugs are fouled or worn, they could cause misfires. Similarly, a faulty ignition coil could lead to rough idling and misfiRead more
One common cause of engine misfires and rough idling is a problem with the ignition system. You might want to start by checking the spark plugs and ignition coils. If the spark plugs are fouled or worn, they could cause misfires. Similarly, a faulty ignition coil could lead to rough idling and misfires.
Another thing to consider is the fuel system. Contaminated fuel or a clogged fuel injector could also cause these symptoms. Check your fuel filter and make sure it’s not clogged, and consider running some fuel injector cleaner through your system to see if that helps.
See less2012 Evinrude 90hp Hard to Start – Need Troubleshooting Tips
Hey Dean, One thing you might want to check is the battery cables and connections. Even though your battery is fully charged, if the connections are dirty or loose, it can cause a voltage drop and make it hard to start the engine. Clean and tighten all the connections and check for any corrosion. AlRead more
Hey Dean,
One thing you might want to check is the battery cables and connections. Even though your battery is fully charged, if the connections are dirty or loose, it can cause a voltage drop and make it hard to start the engine. Clean and tighten all the connections and check for any corrosion. Also, make sure the voltage drop on the high amperage circuit is within spec.
See less2004 Suzuki 200hp Won’t Start – Need Help Diagnosing
One common issue could be the starter relay. First, try to locate the starter relay and listen closely when you turn the ignition switch to START. If there's no sound, it might be a faulty relay or a bad connection. Check the connections to the starter relay and make sure they're secure. Sometimes,Read more
One common issue could be the starter relay. First, try to locate the starter relay and listen closely when you turn the ignition switch to START. If there’s no sound, it might be a faulty relay or a bad connection.
Check the connections to the starter relay and make sure they’re secure. Sometimes, even a small amount of corrosion can cause problems. Clean the terminals and connections to ensure good contact. If the relay is faulty, replacing it might solve your problem.
See lessWhy is my 2007 Polaris Scrambler 500 backfiring?
Backfiring can be a real pain, but it usually points to a few common issues. Have you checked your spark plug recently? A fouled plug or incorrect gap can definitely cause this kind of problem.
Backfiring can be a real pain, but it usually points to a few common issues. Have you checked your spark plug recently? A fouled plug or incorrect gap can definitely cause this kind of problem.
See less2007 Polaris Scrambler 500 Will Not Crank or Start
Since the battery is good, let’s look at other potential causes. First, check the starter motor. It might not be engaging due to a faulty solenoid, bad wiring, or a worn-out motor. Are you getting power to the starter motor? Ensure all connections are clean and secure. Another possibility is that thRead more
Since the battery is good, let’s look at other potential causes.
First, check the starter motor. It might not be engaging due to a faulty solenoid, bad wiring, or a worn-out motor. Are you getting power to the starter motor? Ensure all connections are clean and secure.
Another possibility is that the engine is seized. This could be due to rust or internal mechanical failure, like a broken piston or failed bearing. Try manually turning the engine with a wrench to see if it’s free.
Also, the starter button could be faulty. Worn-out or dirty contacts inside the button can prevent it from sending the start signal. Is the kill switch in the correct position? Lastly, inspect the wiring and fuses for any issues.
Hope this helps, and good luck getting your Scrambler running again!
See lessWhy Does My 2005 Mercruiser 496 HO Idle Rough?
If your 2005 Mercruiser 496 HO is idling rough, surging, or even stalling occasionally, there could be a few reasons behind it. Since your engine runs on fuel injection, addressing these issues involves a bit of troubleshooting and careful maintenance. Dealing with Surges: Surging usually hints at pRead more
If your 2005 Mercruiser 496 HO is idling rough, surging, or even stalling occasionally, there could be a few reasons behind it. Since your engine runs on fuel injection, addressing these issues involves a bit of troubleshooting and careful maintenance.
Dealing with Surges:
Surging usually hints at problems with air or fuel delivery. Leaky gaskets around the idle air control (IAC), intake manifold, or throttle body can mess with the air intake, causing the engine to run unevenly. It’s also wise to check the throttle valves for any wear or damage. If they’re worn out, they might not handle air intake properly, leading to surges. And don’t forget to inspect all hoses connected to the IAC or pressure regulator for wear and leaks—they need to maintain the right vacuum pressure.
Addressing Stalling Issues:
Stalling is a bit trickier and needs closer attention. If your engine stalls at idle, start by cleaning the flame arrestor to make sure there’s enough airflow. Testing the IAC is also a good idea to see if it’s opening and closing correctly; a faulty IAC can mess with your idle stability. Also, checking the fuel pressure with a gauge is crucial—it can help pinpoint any fuel system issues. High fuel pressure might flood the engine, so it’s important to inspect and possibly adjust the fuel pressure regulator.
Dealing with Misfires:
Misfires can contribute to rough idling, so it’s important to check your ignition system thoroughly. Take a look at the spark plugs, spark plug wires, and ignition coil for any signs of wear, damage, or malfunction. Replacing any faulty parts can help ensure your engine runs smoothly without misfires.
Taking these steps can help you figure out what’s causing your Mercruiser 496 HO to idle rough, surge, or stall. If you’re not comfortable doing these checks yourself, it might be worth getting help from a qualified marine mechanic—they can diagnose the issue accurately and get your engine running smoothly again.
Hope this advice helps you get to the bottom of your engine troubles. If you need more details or have other questions, feel free to ask!
See less2006 Dodge Ram 4.7L Oil Pressure Sensor Location and Replacement?
The oil pressure sensor on your 2006 Dodge Ram 1500 with the 4.7-liter engine is located in an oil pressure gallery within the engine. To make things easier, I’ve also attached a picture showing its exact location. [caption id="attachment_260" align="alignnone" width="351"] Oil pressure sender wireRead more
The oil pressure sensor on your 2006 Dodge Ram 1500 with the 4.7-liter engine is located in an oil pressure gallery within the engine. To make things easier, I’ve also attached a picture showing its exact location.
Oil pressure sender wire (4) Pressure sender (2)
Understanding the Oil Pressure Sensor
The oil pressure sensor is a crucial component that monitors the oil pressure within your engine. It sends this information to the Powertrain Control Module (PCM) using three circuits:
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This sensor works similarly to the Manifold Absolute Pressure (MAP) sensor. Different oil pressures generate different output voltages, which the PCM then uses to relay information to your dashboard. This helps operate the oil pressure gauge and activates the check gauges lamp if needed.
Removing the Oil Pressure Sensor
Start by disconnecting the negative cable from your battery to prevent any electrical issues.
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Installing the New Oil Pressure Sensor
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See lessThe oil pressure sensor on your 2006 Dodge Ram 1500 is vital for monitoring engine oil pressure and relaying this information to your vehicle’s PCM and dashboard. By following the above steps, you can replace the sensor and ensure your engine continues to run smoothly. If you run into any issues or have more questions, feel free to ask!
2018 Polaris Ranger XP 1000 Cranks But Won't Start?
Understanding 'Cranks But Won't Start' Issues When an engine cranks but doesn't start, it means the starter motor is engaging and turning the engine over, but the engine itself isn't firing up. This can be caused by a variety of issues, typically related to fuel delivery, ignition, or compression. LRead more
Understanding ‘Cranks But Won’t Start’ Issues
When an engine cranks but doesn’t start, it means the starter motor is engaging and turning the engine over, but the engine itself isn’t firing up. This can be caused by a variety of issues, typically related to fuel delivery, ignition, or compression. Let’s dive into the possible causes and what you should check.
Check the Fuel System
First, ensure your fuel system is functioning properly. Even if you hear the fuel pump running, there could still be issues:
Inspect for Engine Flooding
If the engine is flooded with fuel, it won’t start. Remove the spark plugs and check if they’re wet with fuel. If they are, let the fuel evaporate or replace the plugs.
Check for Spark
An engine needs a spark to ignite the fuel and air mixture:
Evaluate Compression
Low compression can prevent the engine from starting:
Final Thoughts
Diagnosing a “cranks but won’t start” issue involves a systematic check of fuel, spark, and compression. Ensure the fuel system is clean and functioning, confirm there’s a good spark, and verify adequate compression. If these systems are working correctly, the engine should start.
When your engine turns over but fails to start, focus on the fuel delivery, ignition system, and compression. Check for fuel blockages, ensure the ignition components are sparking, and perform a compression test if necessary. By systematically ruling out each potential issue, you can pinpoint the cause and get your Polaris Ranger XP 1000 running smoothly again. If you’re still having trouble, consulting a professional mechanic might be your best bet.
See lessChanging Thermostat on 2012 Evinrude E-TEC 90HP
The thermostat in your 2012 Evinrude E-TEC 90HP outboard engine plays a critical role in managing the engine's temperature by regulating the coolant flow. If it fails, your engine might overheat or run too cold, leading to various issues. Removal: [caption id="attachment_184" align="alignnone" widthRead more
The thermostat in your 2012 Evinrude E-TEC 90HP outboard engine plays a critical role in managing the engine’s temperature by regulating the coolant flow. If it fails, your engine might overheat or run too cold, leading to various issues.
Removal:
1. Thermostat Cover
To remove the thermostat, begin by taking off the thermostat cover and the O-ring from the cylinder head. Be careful to avoid causing any damage to the components. Then, proceed to remove the spring, thermostat, and gasket. If you need to replace the cylinder head thermostat seal, you’ll have to take off the cylinder head. When installing a new seal, ensure that the side marked “TO CYLINDER HEAD” faces the thermostat.
Inspection:
Examine all parts meticulously for any signs of cracks, heat damage, or corrosion. Replace any parts that are damaged. Make sure to clean any debris from the housing and parts to keep everything functioning properly.
Installation:
Reassemble everything in the reverse order of disassembly. Apply a gasket sealing compound to the threads of the thermostat cover, and install a new O-ring. Tighten the thermostat cover to a torque of 120 to 144 in. lbs. (13.5 to 16 N·m).
1. Cylinder Head Seal
Changing the thermostat on your Evinrude E-TEC 90HP involves careful removal and inspection of parts, replacing any that are damaged, and reassembling with attention to detail. Following these steps will help ensure your engine runs efficiently and avoids overheating issues.
Good luck with your repair! If you have any more questions, feel free to ask.
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