What causes engine to crank for long time before it starts?
When an engine cranks for a long time before it starts, either spark or fuel is missing or weak and each has its own reasons. Most of the time, the air / fuel mixture has been disturbed and there is too much air or not enough fuel.
Why is my Salem Boys car so hard to start?
A bad coolant sensor, a bad throttle position sensor (TPS), a bad fuel pump or a plugged fuel filter can all cause a lean condition causing long cranking times. Sometimes the spark is delivered late, weak or not at all.
What to look for when your engine won’t start?
Check for a blown fuse that may be preventing a circuit from working properly, like the fuel injection or computer system. To operate efficiently, an internal combustion gasoline engine needs a good spark, the right amount of fuel, and good compression (a healthy mechanical condition).
Why do I have to crank my car twice before it starts?
when you stop cranking momentarily, the fuel pump catches up, raising the pressure in the line. The next time you crank, fuel is available to start the engine. try switching the key to ON for a few seconds, then starting the car. If it starts right up, you can bet the problem is low fuel pressure.
What are the symptoms of a slow cranking starter?
In a cranking system, you can divide your symptoms into one of three possible troubleshooting categories: Slow Crank: The starter will crank, however, the engine RPM is slow to start the vehicle. Click No-Crank: The solenoid clicks but the starter doesn’t crank.
What are the different types of cranking problems?
In a cranking system, you can divide your symptoms into one of three possible troubleshooting categories: Slow Crank: The starter will crank, however, the engine RPM is slow to start the vehicle. Click No-Crank: The solenoid clicks but the starter doesn’t crank. No-Click No-Crank: The solenoid doesn’t click and the starter doesn’t crank.
What does it mean when your car starter doesn’t crank?
Slow Crank: The starter will crank, however, the engine RPM is slow to start the vehicle. Click No-Crank: The solenoid clicks but the starter doesn’t crank.
Why does it take so long to start a 300K engine?
Sure why not. On high mileage engines (200k to 300k) the pistons ring can wear causing low compression which increases crank time and causes hard starting. This is because the compression ratio is low and it takes time for the engine to gain enough speed cranking by the starter to ignite the fuel air mixture.
What should I do if my engine won’t start?
You should hear the pump start in the fuel tank for a brief period and then stop, cycle the key “OFF” then “ON” again without cranking the engine over while listening to the fuel pump, and do the cycle one more time to make three subsequent cycles.
What’s the best time to crank a bike?
Time the cranking. Most people feel lie 2 or 3 seconds are “forever”. IIRC up to 5 seconds is acceptable. We just get spoiled by the 1/4 second normal start. However beautiful the strategy, you should occasionally look at the results. I don’t touch the pedal at all while cranking.
When an engine cranks for a long time before it starts, either spark or fuel is missing or weak and each has its own reasons. Most of the time, the air / fuel mixture has been disturbed and there is too much air or not enough fuel.
When does the long crank start on a Cummins?
Long….. Long Crank when starting Long….. Long Crank when starting Location:Vancouver, WA. Need your help. I started having the long crank issue 2 months ago. I was still on the original batteries and had read somewhere that as they go they will still turn the engine over but not have enough to send the signal to the fuel system.
What should I do if my long crank wont start?
Just a recap of what you should do first to determine if your long crank before starting is fuel related or not. First, before you try cranking the engine over, turn the ignition key to the run position then back off without cranking the starter.
When to run the fuel pump before cranking the engine?
Some systems will run the fuel pump for a short period when the drivers door is opened or when the key is turned to the ignition stop before being turned to crank. If this isn’t happening for some reason, you may be having to wait until the fuel pump provides enough pressure at the fuel rail to start the vehicle. My vote is for the injectors.
Why does my Ford Fusion sit and crank?
I have a 2008 Fusion SEL, and about a year ago, I started having a hard time starting the car. After turning the key, the car would sit and crank excessively for several seconds, but would always start and run fine. Sometimes it would sit and crank, while other times it would start right up, and cranking times vary.
Why does my Avalanche keep cranking the starter?
Yes if by the start position you mean the position the key is in when the starter is cranking. I do not know how long it would keep cranking because I quickly move the key back out of concern it might damage the starter or something else. The frustrating thing is it only does it SOMETIMES and it has never done it yet when a mechanic has tried it.
Why is my engine hard to start or extended cranking?
So if the engine is warm or cold, this sponge has to be saturated and begin to drip before the engine will start and extended cranking is one of the classic symptoms. By trying the fuel additive and thinking of this as a diagnostic procedure, if your problem gets better, continue to use the fuel additive. No change, stop using the additive.
I have a 2008 Fusion SEL, and about a year ago, I started having a hard time starting the car. After turning the key, the car would sit and crank excessively for several seconds, but would always start and run fine. Sometimes it would sit and crank, while other times it would start right up, and cranking times vary.
Sure why not. On high mileage engines (200k to 300k) the pistons ring can wear causing low compression which increases crank time and causes hard starting. This is because the compression ratio is low and it takes time for the engine to gain enough speed cranking by the starter to ignite the fuel air mixture.
Just a recap of what you should do first to determine if your long crank before starting is fuel related or not. First, before you try cranking the engine over, turn the ignition key to the run position then back off without cranking the starter.
What’s the best crank time to start a computer?
This would give you the minimal crank time with the best chance of success on the first set of start tries. If you move it up to 1.0 seconds and it still won’t start on the first set, put it up to 1.2 seconds, and so on. If your granularity is only .5 second intervals, use that.
Some systems will run the fuel pump for a short period when the drivers door is opened or when the key is turned to the ignition stop before being turned to crank. If this isn’t happening for some reason, you may be having to wait until the fuel pump provides enough pressure at the fuel rail to start the vehicle. My vote is for the injectors.
This would give you the minimal crank time with the best chance of success on the first set of start tries. If you move it up to 1.0 seconds and it still won’t start on the first set, put it up to 1.2 seconds, and so on. If your granularity is only .5 second intervals, use that.
Why does my Car start faster when I add fuel?
If by adding “fuel” the engine always starts faster and cranks over less, then you will know it’s a fuel delivery problem and can pass on to your tech, the process you used and the results. Another easy thing that you can do is simply change the spark plugs.
Why is my car engine hard to start?
So if the engine is warm or cold, this sponge has to be saturated and begin to drip before the engine will start and extended cranking is one of the classic symptoms. By trying the fuel additive and thinking of this as a diagnostic procedure, if your problem gets better, continue to use the fuel additive. No change, stop using the additive.
What happens to the engine when the engine is cold?
When the engine is cold the air fuel mix enters the cylinder and is compressed and ready for ignition, cold fuel, cold air cold cylinder= lower compression. Take a empty soda bottle fill it with 1/4 cup of cold water, put the cap on and shake it up for about 3 seconds, now squeeze the bottle, it should squeeze in easily.
How long does engine knocking on cold start last?
Lasts maybe 30 seconds after cold start (haven’t tried warm start to know for sure). It is louder on the bottom of the engine compared to the top. Attached audio (from under engine) as requested. I would suggest that you start using 10w30 in the future.
If by adding “fuel” the engine always starts faster and cranks over less, then you will know it’s a fuel delivery problem and can pass on to your tech, the process you used and the results. Another easy thing that you can do is simply change the spark plugs.
So if the engine is warm or cold, this sponge has to be saturated and begin to drip before the engine will start and extended cranking is one of the classic symptoms. By trying the fuel additive and thinking of this as a diagnostic procedure, if your problem gets better, continue to use the fuel additive. No change, stop using the additive.
Why does my car engine not want to start?
If the engine still doesn’t seem like it wants to start, probably fuel is getting into the cylinders and your problems lies somewhere else. However, if the engine runs momentarily and dies, then the problem is that fuel is not getting to the cylinders. Check for a clogged fuel filter, or a bad fuel pressure regulator.