When does a Mercury Mountaineer start stall idle?
Amazing I have a 2002 Mountaineer V8 with the same issue, started 3 yrs ago. Mercury/Ford claims they have never seen this before. Mainly stalls when car comes to a stop sign in the mornings, never had a high speed stall. I have replaced fuel filter and air control valve.
Why does my Mercury outboard engine not start?
This video will cover the main reasons for why a Mercury outboard engine cranks but will not start and how to correct the problem. 1. Check the batteries state of charge. Charge the battery and make sure the battery terminals and connections are free from corrosion. 2. Incorrect starting procedure. 3.
What causes an engine to stall while running?
Intermittent stalling. Another symptom commonly associated with a problematic crankshaft position sensor is intermittent stalling. If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall.
Can a bad crankshaft sensor cause the engine to stall?
If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a symptom of a wiring problem, however a bad crankshaft position sensor can also produce this symptom.
Amazing I have a 2002 Mountaineer V8 with the same issue, started 3 yrs ago. Mercury/Ford claims they have never seen this before. Mainly stalls when car comes to a stop sign in the mornings, never had a high speed stall. I have replaced fuel filter and air control valve.
What kind of problem does Mercury Mountaineer have?
Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead. Most of the warning lights in the instrument cluster come on.
What causes a car to act like it has a bad starter?
Problems that might cause your car to act like it has a bad starter solenoid can include: Bad battery – If the battery voltage is low it will be unable to provide enough power to start your engine. Blown fuse – Sometimes the simplest explanation is the best one.
What should I do if my car wont start?
When the security light goes off, turn the ignition off, wait 20 seconds, and then start the engine. These are the most popular ways to solve the problem of anti theft system car wont start.
Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead. Most of the warning lights in the instrument cluster come on.
When did the dpfe sensor go away on the Mercury Mountaineer?
We took the Mountaineer to another dealer and they replaced the DPFE sensor in July of 07. Until then to now the problem went away.
We took the Mountaineer to another dealer and they replaced the DPFE sensor in July of 07. Until then to now the problem went away.
Can a bad idle control valve cause stalling?
3. Engine stalling The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles.
What are the symptoms of an idle air control valve?
One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate.
What are the symptoms of a bad idle air control valve?
Below are the top 5 symptoms of a bad idle air control valve which you will easily notice. Since the idle air control valve is supposed to manage the idle speed of the engine, a bad valve will certainly throw that out of whack. It will cause the idle speed to randomly fluctuate to different speeds rather than stay at one constant speed.
How to troubleshoot a Mercury outboard engine?
Check for a dirty or old spark plug, improper carburetor adjustments, or broken or faulty ignition wires. Air vent in fuel cap not open. Faulty emergency kill switch. Some engines — not the pull-start kind — have a battery that starts it.
What causes hard starting and rough idle on a Mercury?
Faulty Air Temperature Sensor: Will cause hard starting and rough idle. Air temp sensor should be checked with an Ohm Meter with a Cold Start Ignition Test. *ACU and PCU only. Incorrect fuel pressure: Can be caused by a bad fuel pressure regulator, or restricted return. On Laser EFI motors, look under the Fuel Pressure Regulator.
Below are the top 5 symptoms of a bad idle air control valve which you will easily notice. Since the idle air control valve is supposed to manage the idle speed of the engine, a bad valve will certainly throw that out of whack. It will cause the idle speed to randomly fluctuate to different speeds rather than stay at one constant speed.
How to find the Mercury check engine code?
Mercury Check Engine Light Codes 1 Refer to our Generic OBD II code list for definitions on all other Mercury diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1000 4 P1001 5 P1039 6 P1051 7 P1100 8 P1101 9 P1105 10 P1106
What happens to your car when you idle?
A rough idle will result in intense vibrations forming whenever your vehicle is stopped with the engine running. Since less air will be going into the engine during its idle state, the car will react by shaking profusely.
What causes a car to run at a rough idle?
A PCV valve leak can cause the air-fuel mixture to run too lean, and this will cause a rough idle. Proper periodic servicing of the PCV valve will prevent this situation from occurring.
What’s the root cause of mercury 2-strokes’rough idle?
I’ve been told rough idle is the nature of the beast and is common for all Mercury 2-strokes as they are optimized for riding. Fair enough but what’s the root cause of rough idle? (assuming all components work as designed)
Why does my 90 elpto stall at idle?
My 90 ELPTO is quite rough at idle, even stalling occasionally. I’ve been told rough idle is the nature of the beast and is common for all Mercury 2-strokes as they are optimized for riding. Fair enough but what’s the root cause of rough idle? (assuming all components work as designed)
Why is my Mercury outboard engine not starting?
Air vent in fuel cap not open. Faulty emergency kill switch. Some engines — not the pull-start kind — have a battery that starts it. If your engine has a battery, make sure it is charged up before use; verify the battery connections are clean — as corroded connections can keep a Mercury outboard from starting.
What should I do before starting my Mercury outboard?
If your engine has a battery, make sure it is charged up before use; verify the battery connections are clean — as corroded connections can keep a Mercury outboard from starting. Outboard motors require that you start them up and hold the gas until they can idle on their own.
Can a mercury motor have a smooth idle?
You were told right,these motors do not have a smooth idle.There’s even a warning in the mercury service manuel which states (DO NOT ADJUST CARBORATORS TO ACHIVE A SMOOTH IDLE)This is because the engine will be running to lean at this point.
What to do if your Mercury Mountaineer starts stall idle?
I recommend a BG Induction service if you have never had this done and your vehilce is over 65,000 miles. Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead.
Why does my Ford 4.0L explorer not start?
So, when your Ford 4.0L Explorer (Aerostar, Ranger or Mountaineer) Cranks but Does Not Start, it’s because one of these components is missing from the mix.
What are the problems with a 2006 Mercury Mountaineer?
1 Transmission Slips, Engine Surges 2006 Mountaineer Average Cost to Fix: $3,500 Average Mileage: 48,000 mi 2 Radiator Leak 2006 Mountaineer Average Cost to Fix: $500 Average Mileage: 67,000 mi 3 Instrument Panel Cluster Failure 2006 Mountaineer
What should the fuel pressure be at idle?
Fuel pressure should be within specifications when the key is on, then drop 4 to 6 psi once the engine starts and is idling. Note: Some vehicle manufacturers list pressure specifications for both KOEO and idle, while others only list a fuel pressure specification for one or the other.
What causes an engine to stall at idle?
If the ISC valve is gummed up with fuel varnish or dirt, it may stick, preventing the engine from maintaining the proper idle speed when the throttle closes. A faulty idle speed control circuit may also allow the engine to stall when idling if it fails to compensate for idle loads placed on the engine by the charging system or A/C compressor.
1 Transmission Slips, Engine Surges 2006 Mountaineer Average Cost to Fix: $3,500 Average Mileage: 48,000 mi 2 Radiator Leak 2006 Mountaineer Average Cost to Fix: $500 Average Mileage: 67,000 mi 3 Instrument Panel Cluster Failure 2006 Mountaineer
What should I look for in a 2002 Mercury Mountaineer?
DUE TO THE AGE AND MILES, THIS VEHICLE WILL NOT BE GOING THROUGH OUR SHOP OR INSPECTION PROCESS.PLEASE FEEL FREE TO HAVE YOUR TECHNICIAN OR MECHANIC INSPECT IT. Description: Used 2002 Mercury Mountaineer with Towing Hitch, Rear Bench Seats, Audio and cruise controls on steering wheel, 6000lb Towing Capacity, Third-row seating.
What kind of engine does a Mercury Mountaineer have?
2003 White Mercury Mountaineer AWD 4.6L V8 SOHC 5-Speed Automatic with Overdrive This Mercury Mountaineer has many features and is well equipped including, Passed 101 Point Dealership Safety Inspection!, AWD, Power driver seat, Power windows.
What causes idle surges on a car ECM?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges.
Can a bad throttle position sensor cause idle surging?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light
When does a Mercury outboard run rough and stalls?
Mercury outboard idles rough and/or stalls refers to when a Mercury outboard runs in an irregular or uneven manner while in neutral or out of gear.
Why does the Check Engine light come on when the engine is idle?
The check engine light in your vehicle is designed to turn on if the Engine Control Unit (ECU) identifies an issues with how the engine is running. Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning.
What happens when you idle the air control valve?
Normally, if you just start your car, the idle air control valve will cause the engine rpms to increase and slowly decrease. That would be a sign that your IAC is working.
What causes the idle speed to go up or down?
The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. 2. Check Engine Light comes on
What are the symptoms of a bad idle control valve?
$0.00 1 Irregular idle speed One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. 2 Check Engine Light comes on Another symptom of a potential issue with the idle control valve is an illuminated Check Engine Light. 3 Engine stalling