P0016 crankshaft position sensor

[Ncie Gyu]

So ive got this p0016 code that will come and go. If i rev my engine hard either while parked or driving it will start to idle really horribly, sound like its misfiring, however when driving its fine. If i let the car cool off a bit and start it again it's usually fine as long as i drive careful and try to not go too fast or rev the engine.

To top it of my battery died and wont charge so i swapped it with another that's been sitting in a garage and it starts the engine, but after some driving it wouldnt turn on again. If i jump the car it runs fine until i turn it off and even though i drove for like 30minutes on the highway it's immediately dead again, wont even turn once. I know i should be looking with a multimeter on the battery to determine alternator or battery fault. But someone suggested it could have to do with my p0016 problem.

First i want to try to replace the crankshaft position sensor as it's been suggested it could fix the issue. But since everybody seems to have a different audi than mine and the sensors look way different so im having trouble finding wich one it is. Perhaps its even more than 1 sensor? There seems to be camshaft and crankshaft sensors that could both be the culprit of the issue..

I have 2008 Audi A4 2.0 TFSI Quattro engine code BWE

When i search for the part on autodoc it shows me 2 sensors.

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and

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It's really hard to reach and you cant see anything at all without a mirror so i could really tell but i think it's the first one with the cable attached to it thats on my car, but perhaps im not even looking at the right place..

If anybody knows which sensor fits my car it would be really helpful

[Theiceman]

its the first one with the cable.. i got a generic bosch one when mine died and just coiled up the extra cable and tie wrapped it. Heat is the number one killer of these so i think this is a good guess ..
Failure mode is cranking forever and not starting. good trouble shooting is spray it with water to cool it off from a spray bottle. if it fires right up after , you know you have identified the problem.

[Ncie Gyu]

its the first one with the cable.. i got a generic bosch one when mine died and just coiled up the extra cable and tie wrapped it. Heat is the number one killer of these so i think this is a good guess ..
Failure mode is cranking forever and not starting. good trouble shooting is spray it with water to cool it off from a spray bottle. if it fires right up after , you know you have identified the problem.

Thanks! I don't have any issue cranking, if I got jump cables or a fresh battery it actually fires up in less than a second. But I will try replacing this cheap sensor anyways and if it doesn't solve it I will keep digging...

[Jayz691]

So P0016 is a crank/cam correlation code. Could be either sensor bad, or timing is off/worn/stretched. Do ya have vcds to check some live data? It may be able to point ya in the right direction..

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[Theiceman]

Thanks! I don't have any issue cranking, if I got jump cables or a fresh battery it actually fires up in less than a second. But I will try replacing this cheap sensor anyways and if it doesn't solve it I will keep digging...

no you shouldn't have problems with cranking, what i meant to say was you can turn the key and it will constantly crank without firing as it doesnt see the crank pulse from the CPS.
however.....

bad CPS usually does not give ANY code.. as it doesnt know the engine is being turned over, usually it just fails to start with no code...

but if the CPS drops out intermittently while running i suppose theoretically it could throw a code as the cam/ crank are now "out of correlation"

I will be interested to know what happens...
i find it interesting that with a new battery it starts right up though.

[Ncie Gyu]

So P0016 is a crank/cam correlation code. Could be either sensor bad, or timing is off/worn/stretched. Do ya have vcds to check some live data? It may be able to point ya in the right direction..

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I did roll it into a mechanic shop a while back and he plugged the computer in and I will try to translate what he said "set point 28degrees but is 15degrees= have to dismantle chain/adjuster and control of defect chain or adjuster" at wich point he said the work will be too expensive for what the car is worth. Im no mechanic but I did find it odd this happened after an oil change and car runs fine for the most part and this should be a constant problem if it is the chain/adjuster?

I then asked if it could be a sensor/valve and he said yes but the work to get to it would be almost the same as checking the chain/adjuster. And now that I looked into it it doesn't seem to be the case at all the sensor is actually very accessible...

I have ordered the part and will keep you guys posted if it solves the issue or not!

[Ncie Gyu]

Update:

Replaced the sensor. Swapped batteries with my other car and then went for a drive.
Initially it feels less responsive than usual, and i smell fuel. So I go out of the car and notice thats it's dripping fuel from around where the fuel filter is.

I still test drive it around the block and it does feel like it's got less power than it used to but im not sure.

I drive back and park the car and still havent gotten P0016 or any misfires yet but i notice the EPC light is on and when i check for codes again i get p0343 - Camshaft Position Sensor A Circuit High Input (Bank 1)

[Ncie Gyu]

Update:

Initial problem seems to be solved! After replacing the sensor i noticed the fuel leak around the fuel filter, was only a loose hose clamp that i tightened up and its stopped.

Car runs fine with no misfires yet, been driving for a week.

However EPC light is still on and still the same check engine code p0343 - Camshaft Position Sensor A Circuit High Input (Bank 1)

No clue what to do. Car runs smooth and have no issues yet so it seems fine but i really dont want these lights. Tried clearing it but its comes back. Unplugged the battery a few times as well just to be sure but no luck:/

Any guesses?

[Audi 5000]

I have a 2008 audi a4 and I also had code P0016, I just did a engine rebuild (new valves, etc...). After I put the engine back together, I got that pesky code. I replaced the intake and crank sensor, also new VVT. But the code is still there...... I ended up taking the cam cradle back off and re examining the cam chain to see if I timed it right..... Other than the code p0016, the car cranked fine and drove fine. But the code wouldn't clear....... any help would be appreciated!!!

Update:

Initial problem seems to be solved! After replacing the sensor i noticed the fuel leak around the fuel filter, was only a loose hose clamp that i tightened up and its stopped.

Car runs fine with no misfires yet, been driving for a week.

However EPC light is still on and still the same check engine code p0343 - Camshaft Position Sensor A Circuit High Input (Bank 1)

No clue what to do. Car runs smooth and have no issues yet so it seems fine but i really dont want these lights. Tried clearing it but its comes back. Unplugged the battery a few times as well just to be sure but no luck:/

Any guesses?

[Theiceman]

Update:

Initial problem seems to be solved! After replacing the sensor i noticed the fuel leak around the fuel filter, was only a loose hose clamp that i tightened up and its stopped.

Car runs fine with no misfires yet, been driving for a week.

However EPC light is still on and still the same check engine code p0343 - Camshaft Position Sensor A Circuit High Input (Bank 1)

No clue what to do. Car runs smooth and have no issues yet so it seems fine but i really dont want these lights. Tried clearing it but its comes back. Unplugged the battery a few times as well just to be sure but no luck:/

Any guesses?

camshaft position sensor is a different sensor, it is in the head, maybe check this sensor and the associated cabling. The car will drive just fine without a cam sensor, it just will not be optimal as it will go to a predefined map.

[Theiceman]

I have a 2008 audi a4 and I also had code P0016, I just did a engine rebuild (new valves, etc...). After I put the engine back together, I got that pesky code. I replaced the intake and crank sensor, also new VVT. But the code is still there...... I ended up taking the cam cradle back off and re examining the cam chain to see if I timed it right..... Other than the code p0016, the car cranked fine and drove fine. But the code wouldn't clear....... any help would be appreciated!!!

okay you should start your own thread really .

1. did you have this code before redoing engine ?
2. why on earth would you take the cam cradle off to reexamine chain ?
3. how do you know the cams are set up correctly ? you didn't mention that or what your conclusions were or how you came to them.

[80sGuy]

Just ordered this and 'hopefully' it'll solve the issue with my car stalling during startup. This happened to me already twice this year starting in Jan and now this month (Nov), don't want a third, or fourth, or worse. Sputtering like an old carburetor but starts fine after I keep pumping my foot on the pedal. Does anyone here have issues with their car dying stalling while driving or this only happens during startups after car is briefly parked?

Engine Crankshaft Position Sensor
06A-906-433-G

[Theiceman]

Just ordered this and 'hopefully' it'll solve the issue with my car stalling during startup. This happened to me already twice this year starting in Jan and now this month (Nov), don't want a third, or fourth, or worse. Sputtering like an old carburetor but starts fine after I keep pumping my foot on the pedal. Does anyone here have issues with their car dying stalling while driving or this only happens during startups after car is briefly parked?

Engine Crankshaft Position Sensor
06A-906-433-G

when that happened to me it would just outright die with no codes.. let it sit to cook down and would fire up.

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