Crank no start?

Hi,

The most common cause is either loss of fuel pressure or ignition spark. Here is what I need you to try.

First, try to start it using starting fluid. If it does and then stalls again, we know it is a fuel-related issue. If there is no change, then I suggest checking for ignition spark.

If there is no spark, the most common cause is a failed crankshaft position sensor. Here are a few links that will help. First is a link that explains how to check for spark. Do this if nothing happens when using the starting fluid.

https://www.2carpros.com/articles/how-to-check-for-ignition-spark

Also, read through this link. It explains the symptoms of a failed crankshaft position sensor. Check if it appears to mirror your experience.

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

Try what I suggested and let me know the results.

Take care,

Joe

One quick question before I go start these test. could it be my main relay by chance or is that completely irrelevant? Thank you in advance.

When you mean start, do you mean the engine will not crank over, or the engine cranks over but will not start?

Please go over these videos to help us see what is going on:

https://www.youtube.com/watch?v=lXLJbuAZ4CE&t

And for not cranking.

https://www.youtube.com/watch?v=6YRW8fyNudY

Please upload a videos in your response of the engine cranking so I can hear it.

Here is the video and after I took the video there was a faint smell of gasoline I believe

I don't think the engine has compression. To be sure lets go over this guide, you can rent a gauge set for free at the auto parts store.

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

Please go over this guide and get back to us. Thanks for the video it helps.

The 1st step says the engine should be warm but if it's not running how can I do the test

You can test it cold np.

Ok and also I did replace the main relay and it started up but it seemed to be sputtering a little but it didn't stall on me, didn't know if that would help at all thank you for your help and time

The fact that the engine runs is a good sign but we still need a compression test which will tell us if the timing chain has jumped. Let me know once completed.

Ok

I still need to go get the tester to do the compression test but this is a video of what it was doing when I started it this morning it was putting out some smoke not sure from what but it was coming out of the engine bay and the tailpipes. Didn't know if this would lead us anywhere

I would remove the air filter and try to run the engine again. Thanks for the video it helps.

Thank you again for your help and time I'm sure I'm not the only problem you're helping with and I greatly appreciate it

You are welcome,, did you try it with out the filter, it looks like it is collapsed. Lets run the codes as well.

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

Do the compression test when you can. Please go over this guide and get back to us.

I did without the air filter and it wouldn't start again I have to wait until payday to do the compression test but as soon as I do I'll let you know also I don't have any check engine light on and the only code that's popped up was P1491, N0101

You can rent a compression gauge from Autozone for free fyi. YES! I think we found the problem, the EGR valve is stuck open.

Code P1491 - EGR Valve Lift Sensor Circuit High Voltage

The codes to the rescue. remove the EGR and use this test to confirm.

https://www.youtube.com/watch?v=DqUCbbKdWf4

Also, the MAF sensor might be having an issue, the N0101 code converts to a MAF issue. So if the valve checks good, unplug the sensor to see if it changes.

I replaced the MAF sensor since that code popped up but as soon as it stops raining I'll go check the EGR thank you

sounds good, I am pretty sure this is the problem.

I believe you're correct would that cause it to start sometimes and then sometimes not?

Yep, it sure would.

Ok thanks again I'll let you know the outcome

So I connected the EGR valve to power and the plunger still opens and closes could it possibly be the connector from the vehicle by chance?

When the EGR is closed does it seal? If so reinstall it but don't plug it in to see what happens when you start it.

I'm not sure if it seals but I unplugged it and it does the same as of it were plugged in

Okay, we must be missing something, can you spray starting fluid to see if anything changes, also lets remove the spark plugs to see if they are carbon fouled. Let go back to basics.

https://www.youtube.com/watch?v=lXLJbuAZ4CE&t

Let us know what you find.

I just replaced my spark plugs probably a little over a month ago but I'll pull them all and check and I'll let you know, I do have a new EGR valve on the way tomorrow as well

Is this what you mean by carbon fouled?

yes, that is carbon fouled, I would install new spark plugs.

Ok what usually causes them to be like that?

Too much fuel or no/low compression.

Could the EGR valve be a cause of too much fuel

Yes, it can cause low vacuum which the MAP sensor can pick up on and add fuel

Ok well got new spark plugs and just waiting on the EGR valve to get here I'll let you know how it goes thanks again for all your help and time

np ;)

Well change the spark plugs and the EGR valve charge the battery and absolutely nothing same thing idk anymore

hmm,, does it run on starting fluid?

I have a spark plug wire that is broken to the distributor cap

I would fix that to see if it helps. Can you upload an image?