Diagnostic help needed! Hot film MAF and low oxygen adaptation.

[Danimal]

Do you think I should be concerned about the gas smell in the intake? Could it be a bad regeneration valve for the evap?

Originally Posted by JFP in PA

Without a smoke test, no way of telling....................

[blue62]

Originally Posted by Danimal

Do you think I should be concerned about the gas smell in the intake? Could it be a bad regeneration valve for the evap?

I would worry about the oily residue and oil saturated dirt all over the engine.
It is definitive proof of multiple vacuum leaks.

[Gilles]

Originally Posted by blue62

I would worry about the oily residue and oil saturated dirt all over the engine.
It is definitive proof of multiple vacuum leaks.

+1 Yes! The first step would be to clean your engine then start troubleshooting

[Danimal]

Thanks, I’ve been cleaning as I go by hand. I really want to spray this thing down and start fresh, but now is not the time for that. And for the record I didn’t let it get this way, but it’s on me for buying such a dirty car.

I just cleaned the MAF sensor and sucked a few small pieces of leaves off the air straightener. No oil in the intake tube, but a little dusty. MAF wasn’t too bad.

I just ordered a smoke machine. I guess we’ll see what we find.

Originally Posted by Gilles

+1 Yes! The first step would be to clean your engine then start troubleshooting

[blue62]

Originally Posted by Danimal

Thanks, I’ve been cleaning as I go by hand. I really want to spray this thing down and start fresh, but now is not the time for that. And for the record I didn’t let it get this way, but it’s on me for buying such a dirty car.

I just cleaned the MAF sensor and sucked a few small pieces of leaves off the air straightener. No oil in the intake tube, but a little dusty. MAF wasn’t too bad.

I just ordered a smoke machine. I guess we’ll see what we find.

You may want to look at the condition of your air filter while your in there.

[Danimal]

Fortunately, the air filter is new and there were only a couple very small leaves in the bottom of the box.

Originally Posted by blue62

You may want to look at the condition of your air filter while your in there.

[Danimal]

I spent the last week mapping out each of the vacuum systems and AOS tubes and I think I finally understand what everything is. Smoke machine has arrived and smoke will be commencing in T minus 1hr.