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brettfcars
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Posts posted by brettfcars
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Hi,
I have a 2002 996 Targa.
On the way home yesterday, while stuck in traffic my car stalled and died.
Car restarted but rough tick over, but ok when tick over raised to about 1500 rpm. And managed to drive it home.on plugging in a durametric tool the long list of faults were seen.
I have reset faults and left with the single fault P0343
looks like an issue with bank 1 cam position sensor, crank deviation shows 0 on that bank.
Would other cleared faults of occurred due to sensor failure ?looks like investigating, fault finding and parts required.
Other wise car has been ok and was performing well with about 20,000 miles on a rebuilt engine, car has done 136,000 miles.
any thoughts appreciated,
Also is there a topic or site just for Durametric questions of this nature ?
I have the Pro version and live in Bexleyheath, Kent, UK if anyone wants to check there car out ….
thanks
Brett
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I have done similar jobs on other cars but have never worked on a Porsche boxster engine.
That being the case, be sure to read up on the correct procedures for doing this; in many ways, Porsches are unlike other engines, and you don't want to create additional problems.
Thanks for advice, I was worried at first but both these links seam to show the procedure, I have purchased the book the first link goes to and looking in to purchasing or borrowing the tools.
and
http://www.renntech.org/forums/topic/25471-vario-cam-solenoid-swap-in-car/
thanks
Brett
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I have tested the solenoid and it reads 12.6 ohms, which I believe is correct.
when 12v is applied to the solenoid a spark can be seen and a feint click heard from within the cam cover.
with the engine running and bank 2 operated by the duremetric the engine rpm gets rougher but when this is done too bank 1, no change. Also when applying 12v direct to the solenoid when the engine is running there is no change.
I believe this is final proof that the varocam actuator is faulty.
I am now collecting a few parts and tools together and plan to do the job myself to save on labour costs. I have done similar jobs on other cars but have never worked on a Porsche boxster engine.
regards
Brett
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Thanks JFP I was thinking I had perhaps a faulty cam sensor on bank 2, I aim to test out the solenoid tomorrow and go from there.
Is any damage likly to be done if car still used ? also i have seen a wiring diagram implying a relay in circuit after DME but before solenoid ? any idear where this is ?
regards
brett
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Hi,
I know i have a problem with bank 1, and i hope to test the solenoid later. As aparently this can be confirmed working by simlply testing with a 12v feed. Also a 12v suppy should be see to activate the solenoid. So this will eliminate the wiring.
But are the readings as should be expected for bank 2 ?
I was expecting to see some change rather than just feeling the tickover alter ? no deviation or angle change is seen ?
Brett
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my complements on posting so much information with your question. It really helps those who do the answering on the forums to not have to did it out over a series of question/answers. The only other question I'd ask is did the lumpiness/fault occur before you changed the plugs/coils? Since the CEL can also be a short or break in the wiring back to the ECU, it always helps to know if the symptoms can be related to anything you did recently (like bump a connection).
Thanks !
Unfortunately the engine feels the same now, as to how it was before the plugs and coil-packs were changed.
After feeling the roughness on tick-over I looked underneath and saw a few cracks to the coil-packs so thought would eliminate any problems they may be causing.
thanks JFP in PA for answer and useful photos, I have not yet been under or in engine hatch again yet as work getting in way !
Any known resistances of sensors or test procedures would be useful, also anyone recommend a manual ? or detailed procedure for strip-down ?
Brett
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Most probably the cam position sensor on bank 1 is the problem. Should not be a major issue for a shop to verify and/or replace the sensor.
The Durametric should be able to tigger the VarioCam unit on that bank, if you hear it "click", but the values do not change, the sensor needs to come out.
So far I have tried trigering when the engine was running. There was a noticable engine note change when bank 2 trigered but nothing on bank 1.
I will try with the engine not running, also i understand its posible to test the solinoid and sensor ? any idear of ohm readings ?
I did expect to see the readings changing on bank 2 ? as the engine speed increased ?
Also where is the cam position sensor located ? have looked a couple of times and have yet to see it ?
when cold during warming up no problems at all !
regards
Brett
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Hi, i am after some help.
I have a 2001 boxster 3.2s with a iregular tickover and no dash warnining lamp lit.
car drives ok, just lumpy tickover.
With a durmetric fitted is shows the fault to be code P1341, Factory fault code 174 - camshaft ajustment, bank 1, Signal implausible, below limit or above limit.
My under-standing is bank one is the drivers side in the uk.
readings shown with engine off, via the durametric are :
crankshaft position 1 deviation 19.26 deg
crankshaft position 2 deviation 0 deg
crankshaft angle for camshaft bank 1 0.00 deg
crankshaft angle for camshaft bank 2 0.00 deg
readings shown with at tickover, via the durametric are :
crankshaft position 1 deviation 18.93 deg
crankshaft position 2 deviation 0 deg
crankshaft angle for camshaft bank 1 0.52 deg
crankshaft angle for camshaft bank 2 0.00 deg
when driving the car the values shown hardly move, bank 1 varies by prehaps .5 deg and bank 2 never showing anything other than 0 deg.
After recomendations for any testing of sensors posible ? or independent Porshe agent near Dartford, Kent, UK !
I have had the car for 1.5 years with just standard service done, alhough plugs and coilpacks just replaced for peace of mind.
regards
Brett
Porsche 996 2002 3.6, Durametric fault codes after stalling and rough tick over.
in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
Posted
Update,
I have discovered the Bank 1 cam sensor to be faulty.
lucky not the wiring. For any one doing this it is just possible to swap if the nearby radiator hose clamp is lossened and you can just get a 5mm Alan key in the bolt to remove.
Also there is a lot of confusion on sensor and bank 1 location on various forums.
The code I was seeing was P0343 and Durametric stated phase sensor 1 (camshaft hall sensor 1).
I believe this to be bank 1, but 50% of people are stating different sides.
Bank 1 is the left hand side of the engine if looking at the crank pulley end. Cam sensor is to the right of the green or black top cam plug.
discrepancy arises due to perception of what’s the left and right, drivers side (as not all countries drive on the same side of the road), and orientation of engine as in the Boxster it’s the other way round !
annoyingly sensor was a recent fit during a full rebuild. Purchased as OEM from a well known UK supplier of Porsche parts. But on looking part is not named.
seems strange a “OEM” quality supplier would not mark up the part.
Original (kept for spare and now used again) part is marked up Bosch.
P0343 code has currently gone and I can see cam change deviations (?) as the revs increase. Previously they weren’t changing.
now to drive it !
Brett