My Engine cranks over but will not start?

Hi and thanks for using 2CarPros.com.

If you have proper fuel pressure, spark, and the injectors are working, it does not have a choice but to run. However, since it will not even start with starting fluid indicates a few possibilities. One of the following has to be wrong: weak spark, engine timing, or low engine compression. Does the engine sound normal when it is cranking or does it seem off?

Here is a link that discusses different reasons why engines will not start and ways to check. Some of the items listed will not help because you already did a lot of the work. Regardless, check through it and see if anything helps.

https://www.2carpros.com/articles/car-cranks-but-wont-start

Also, let me know how it sounds when cranking. If you have other questions or need additional information, let me know.

Take care,
Joe

Welcome back:

If you have spark and tried starting fluid with no results, then either it is a timing issue or low compression. Or, you have a very weak spark. It should be a hot blue snapping spark. Did it even fire a couple times with starting fluid? Also, can you let me know how this issue came to be? Did it happen all at once? If you remove spark plugs, are they wet?

Let me know. Also, it's hard to tell, but it almost sounds like it is cranking really fast. If you brought this to me and it had spark and fuel, the first thing I would check is compression. It almost sounds like timing is an issue and a compression test would indicate that.

Here is a link that shows in general how it is done:

https://www.2carpros.com/articles/how-to-test-engine-compression

Here are the directions specific to your vehicle with the manufacturer's specs. The attached pictures correlate with these directions.

CHECKING COMPRESSION PRESSURE
1. Before checking the engine compression, check the engine oil level. Also check that the starter motor and battery are all in normal operating condition.
2. Start the engine and wait until the engine coolant temperature reaches 80 - 95°C (176 - 205°F).
3. Stop the engine and disconnect the spark plug cables.
4. Remove the spark plugs.
5. Crank the engine to remove any foreign material in the cylinders.
6. Insert the compression gauge into the spark plug hole.
7. Depress the accelerator pedal to open the throttle fully.

See Picture 1

8. Crank the engine and read the gauge.

Standard value .................... 1,200 kPa (170 psi)
Limit .................... 1,050 kPa (149 psi)

9. Repeat steps 6 to 8 for all cylinders, making sure that the pressure difference for each of the cylinders is within the specified limit.

Limit .................... Max. 100 kPa (14 psi) between cylinders

10. If a cylinder's compression or pressure differential is outside the specification, add a small amount of oil through the spark plug hole, and repeat steps 6 to 9.
1) If the addition of oil causes the compression to rise, it is possible that the piston ring is worn.
2) If the compression remains the same, valve seizure, poor valve seating or a compression leak in the cylinder head gasket are all possible causes.

Tightening torque
Spark plug .................... 20 - 30 Nm (14 - 22 ft. lbs.)

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Let me know what you find or if you have other questions. Remember, if you have fuel and spark, either timing or low compression are suspects.

Take care,
Joe

Let's start with checking for codes. Then let me know how we found no spark or fuel.

With just this info, the most likely cause is the crank sensor. Here is a guide that will run through this. Let me know the testing you have done so far and if you have a signal coming from the CKP sensor.

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Hello,

Lets start by running the codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what you find.

Cheers, Ken

Please let us know what you find. We are interested to see what it is.

Cheers, Ken

That will do it. Here is the sensor location so you can get it replaced to see what happens. As long as you are there turn the ignition key tot he on position to see if you hear the pump working for about 5 seconds.

It under the back seat under the tap door

Check out the diagrams (Below)

Please let us know what happens.

Cheers, Ken

Yes it will if it is shorted out. Try unplugging it to see if it runs.

Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken