Does not start, code 41?

Hi,

If you have spark, fuel, and good compression, the only other thing that would prevent it from running would be engine timing.

Do me a favor. We may not be getting the fuel injectors to actuate. See if the engine starts and then stalls if you use starting fluid. If it does, then we know it is a fuel-related issue.

Also, if you could record it cranking and upload it for me to hear, it may be helpful. Here is a link you may find helpful.

https://www.2carpros.com/articles/car-not-running-advanced

Let me know.

Joe

If the crankshaft position sensor is bad, you shouldn't have spark. Did you check for spark? Just for curiosity, if you have a tachometer, does it move at all when cranking? Also, here is a link that explains how to check for spark. Do this if you haven't.

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

If there was no change when using starting fluid, I suspect you will find there is no ignition spark.

Let me know.

Joe

Hi,

If you are getting spark to the plugs, the coil must be working. When you checked the spark at the plugs, is it a blue snapping spark or does it appear white or orange in color? We may have a weak coil.

Let me know.

Joe

Hi,

Not that it's bad, but rather, weak. Are the wires to the plugs and at the coil all clean, tight, and free of corrosion or damage?

At the coil, there will be a red wire to the + and a blue wire to the -. With the key on, check for battery voltage to the red wire.

Let me know. Also, let me know how old the spark plugs are.

Joe

See pic below.

Hi,

Thank you for the update. I had a feeling there was an issue with the coil. I suspected it was a poor connection, loose or corroded. However, a crack absolutely will do it too.

I'm glad to know you have it fixed. Take care and feel free to come back in the future. You are always welcome here.

Joe