Thank so much for the help

I truly value everything!!
God bless and thank you !!!!

:D Ok sooo. Turned key to number 2 position . Pin#2 Light blinked three times , then paused, blinked twice then paused, then blinked twice then stopped. Pin#3 Blinked once, slight pause, blinked once slight paused blinked once slight pause . Can you please direct me what this means Thanks so much

I also tried with the engine off and the key to the #3 position without being started, same thing , solid red light nothing else despite hold times. .

Ok
So this am I found the black diagnostic box . I turned car on and placed plug in #2 and also tried the rest of them. Problem is I got a solid red light , tried holding down for different lengths of time and still solid light . Is that good or what is the issue ? Direction please

I don’t know anything about fault codes, there are no check engine lights air service lights on currently. . Where would I get fault codes ?

Will do I’ll give you update when that is done . I am about a year into owning my 240 sedan. Never had issues and just learning about these cars and fixing them. I am however able to wrench . Th aka so much for the direction. .

The cars been dry now for three days , so no water could survive the 90+ degree Cali sun. Since replacing crank shaft sensor and mass air flow sensor, no lights are on, but it feels like and smells like cat has issues and it was replaced like five months ago. Could the was have messed it up? And the...

Update So replaced crankshaft sensor It made the engine light go off. Only thing is now the engine lets off a weird smell kinda like rotten eggs with hot electrical smell. . Could the water make the cat go bad ? The car runs , drove over an hour today no lights and no lag or dragging. Starts and dri...

Replaced mass air flow sensor , starts , drive around block and it feels sluggish, check engine light on. Gonna relplace camshaft sensor

Anything else that I should replace that might account for sluggish and check engine light

Will do I will look if there’s one there. Thanks so much