Crank no start issue?

Based on the information you provided, there are a few possibilities to consider:

Ignition system issue: The presence of a hot blue spark in at least one cylinder suggests that the ignition system is functioning properly for that cylinder. However, it's important to check for spark in all cylinders to determine if there are any issues with other cylinders. Use a spark tester or spark plug to verify spark in each cylinder.

Fuel system issue: The strong odor of gas when the pedal is held to the floor indicates that fuel is being delivered. However, it's still worth checking the fuel injector pulse using a Noid light or a multimeter to ensure that the fuel injectors are receiving the proper signals to open and close.

Crank or cam sensor: While a malfunctioning crank or cam sensor can cause timing issues and affect engine performance, it doesn't always result in an immediate fault code. It's possible for the sensors to be partially or intermittently faulty without triggering a diagnostic trouble code (DTC). If you suspect an issue with the sensors, it would be helpful to test them using a scan tool or a multimeter to check for proper signals.

Oil pressure sensor: A faulty oil pressure sensor could potentially affect engine performance, but it's unlikely to be the primary cause of the no-start condition you're experiencing.

Timing issue: A timing issue, such as a problem with the timing chain or belt, could cause a lack of ignition or fuel delivery at the correct moment, resulting in a no-start condition. However, it's important to verify spark and fuel delivery in all cylinders before concluding that it's a timing issue.

I would check for a plugged exhaust system, crank the engine over and hold your hand over the exhaust outlet to see if air is pumped out. Also, can you upload a short video of the engine cranking over so I can hear it? That would be great.

Does it run on starting fluid?

Okay, let's check for spark, this video should help us:

https://youtu.be/baq_aEWNQ0Y

Please go over this guide and get back to us.

Will it run on starting fluid?

Hi,

Have you been able to make any progress? I noticed it has been a couple of days since we made contact. Also, above you mentioned it is getting spark but won't fire with starting fluid. If that is the case, either we lost compression, or the timing is off. Is it possible for you to record it cranking and upload it for us to hear? We should be able to tell if it is a timing issue or a compression issue.

If you have spark, the crankshaft position sensor isn't the issue.

Let us know.

Joe

Hi,

New, the compression would have been around 135 psi, so you are not far off. That doesn't sound like an issue. Also, if that is the compression (120-125) chances are the timing is correct or very close.

Let us hear it cranking if possible. Here is the thing. If compression, timing, spark, and fuel are present, the engine has no choice but to run or at least try to. We are missing something simple.

Let me know.

Joe

Hi,

It sounds off when cranking. You're sure the timing is correct, and the compression is even? I did hear it fire off a couple of times but that's it.

Let me know.

Joe

Hi,

I attached all the timing mark information below. Remember, this is an interference engine. We don't want it to jump too far.

Let me know what you find.

Joe

See pics below.

Yep, that engine does not sound good, I would definitely check the compression.

Here is a guide to help:

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

and

https://www.2carpros.com/articles/the-reasons-for-low-compression

Please go over these guides and get back to us.