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Crankshaft position sensor (CEL + DSA lights on)

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40

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VinnyX
Posts: 1
Joined: 21 June 2012
Year and Model: 2000
Location: Israel

Crankshaft position sensor (CEL + DSA lights on)

Post by VinnyX »

Hi guys.
My name is Vinny I bought a 00' T4 4 months ago with a bad engine. When lights started popping up like its christmas i just assumed its the bad engine and was going to swap it anyways, so i just scan the codes and cleared them off.
About a month before the swap i had the CEL+DSA light come on and the car wouldnt start. That happened sometime after a timing job done on the car that included the belt, of course, and all the pulleys.
Scanned the codes and got "P0335 Crankshaft Position Sensor A Circuit".

(Bad sensor problem description: Had to turn the key fast from I to III and not stop on II b\c otherwise it just wouldnt let me start AT ALL! And it would start only after 5-10 times i did it and the first few times the sarter would start spinning and let off after half a second but i kept trying until it caught up and turn the engine only for a sec and then th engine died again. after 3-4 times the engine was turned succesfully, the car would start and drive normally) thats on the old engine!

Thats not even the wierd part! Hold tight for this one!

Swapped the engine this week, just got the car today, and guess what?! Still wouldnt start right off!
And of course the CEL+DSA lit up again today!!! YEY for me!
Scanned it with my phone again, same f***ing problem!!! This doesnt make sense! New engine = new sensor.

What could be the problem, i really dont think its the crankshaft sensor, two different engines with the same problem?
Could be ECU? or wiring?
The garage where i did the swap thought it might be the fuel pump but then why would the car start and drive normally?
Im really lost here guys... I already put too much money into this car to throw it away now. too late! BFM! :(

Please help this misurable-car-broken-life-destroyed bloke.

Thank you! :cry:

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