I used to post here a lot and got good advice when I needed it. I need some diesel help now.

I am in South America currently and own a 2007 Hyundai Santa Fe with a 2.4l CDI turbo motor.

It runs good, but its not a race car. The car has been sitting for 5 months. This morning when I flew in and fired it up it billowed white exhaust smoke. A 30'x30' cloud each time it was started. Also had a knock at idle which went away as RPM's were raised. Smoke increased impressively with more RPM.

Scanned it and it has code PO101 Mass Air Circuit range, PO336 Crank Position Sensor "A" circuit range and then PO101 again. Erased them and they came back.

White smoke would be un-burnt fue rightl? Would PO336 cause that? Would it even start with a bad Crank Sensor?

Any and all suggestions of what to look at would be appreciated.

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)

White is usually water. Black is unburned fuel. Blue is usually oil.

May have water in fuel all the way to coolant intrusion. I would check the fuel filter for water for starters.

White can be water, but also unburnt fuel. On a cold start or with low compression, it isnt unusual to see white smoke. When I had a glow plug go out on my diesel (a 2.5L mitsu), it blew a cloud of white smoke until the block heated enough. Bad timing would certainly result in that situation...I assume being a newer model, the timing is electronic, or electromechanical (like VVT, etc) -- probably worth replacing thr crank sensor or at least inspecting the wiring leading to it. If it has been sitting, you might find that mice have found a nice meal of the wiring.

For clarification - black smoke is usually excess fuel, but while the engine is up to temp -- just dumping too much in beyond the combustion threshold/air can support. Lots of soot -- white smoke is practically vaporized diesel, totally unburnt.

__________________
TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth

White smoke is oil or fuel .

White vapor clouds that disappate are coolant, .

I'd start it and run it a bit, it may simply be a cruddy injector spewing too much fuel or bad Diesel from sitting ~ keep an eye on the coolant temp .

__________________
-Nate
1982 240D stripper 393,000 miles
1984 300CD KEEPER ! 481,XXX miles
1984 Euro 300TD Fully optioned SWMBO's
1974 350SLC 4 speed SOLD & missed
Kooky Kommie Ural Motocycles (3)
BMW Moto R60/6 Barn Find, 8,000miles
1959 VW #113 DeLuxe Beetle, 36hp engine, stock
Junk, Rust, Arthritis, Crushed Spine,Broken Neck, Back & arm, lots of screws, pins & plates .
Memories, Peace Of Mind
facts & reality don't change because you can't handle them

From the po statement I would suspect no glow performance.

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

With all those codes specially the crank sensor range code, I would look at wiring damage first. Maybe rats or squirrels attacked it.

With a 0336 code the engine will be severely mistimed for injection and will billow unburnt fuel out the exhaust and sound like marbles when started. The MAF code can be bad wiring or even backwash into the inlet manifold from the breather setup.

__________________
2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)

It was a failed turbo. New one was installed and it is back to its old self.

Codes were due to low voltage from having sat for 6 months.

Thanks all for it input.

__________________
Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)