08-07-2009, 08:09 AM
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#1
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Registered User
Join Date: Jul 2009
Location: Columbus, OHIO
Posts: 21
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Cam position sensor PO341
Ok ...got this code PO 341 on bank 1 and made the mistake of replacing the sensor to no avail and about $75.00 later. Can anyone give me some suggestions that do not involve expensive shop equipment? thanks in advance.
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08-08-2009, 04:26 PM
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#2
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Registered User
Join Date: Aug 2007
Location: New Jersey
Posts: 691
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Solid or flashing CEL?
How old is car? How many miles? When is the last time you did regular maintenance (how old are your spark plugs)?
If it was a solid CEL, I might just reset it and drive on. See if it comes back. It might be time to change your plugs and coils if they have 30K miles on them. The Boxster is the 1st car that I've owned that the spark plugs seem to actually matter. Suspect O2 sensor and MAF with every code.
But I don't know anything. Smarter folks here than me.
__________________
SOLD - 2002 Boxster S - PSM, Litronics, De-ambered, Bird Bike Rack, Hardtop, RMS leak...
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08-08-2009, 06:07 PM
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#3
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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You need to clear the code then turn the key on (without starting or touching the gas pedal) for about 90 seconds then turn the key off for at least 10 seconds.
This code can be caused by:
A loose connector at the sensor
Corrosion on the connector
Bad wiring from the sensor to the DME
Bad sensor
Bad DME
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
Last edited by Paul; 08-08-2009 at 06:10 PM.
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08-08-2009, 06:09 PM
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#4
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Guest
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Quote:
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Originally Posted by Paul
You need to clear the code then turn the key on (without starting or touching the gas pedal) for about 90 seconds then turn the key off for at least 10 seconds.
This code can be caused by:
A bad connection
Corrosion on the connector
Bad wiring from the sensor to the DME
Bad sensor
Bad DME
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paul, could the cam be the cause of this?
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08-08-2009, 06:15 PM
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#5
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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p0011, 12, 13, 21, 22, 23 would indicate timing issues with the cams.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
Last edited by Paul; 08-08-2009 at 06:18 PM.
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08-09-2009, 02:38 PM
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#6
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Registered User
Join Date: Jul 2009
Location: Columbus, OHIO
Posts: 21
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Well I replaced the plugs and they did look crappy.
I cleaned the coils and switched bank 1 to bank 2
The code did not go off but I will shut it off and see what happens. If the problem switchs to bank 2 then i will know coil.
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08-09-2009, 02:40 PM
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#7
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Registered User
Join Date: Jul 2009
Location: Columbus, OHIO
Posts: 21
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Quote:
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Originally Posted by Paul
You need to clear the code then turn the key on (without starting or touching the gas pedal) for about 90 seconds then turn the key off for at least 10 seconds.
This code can be caused by:
A loose connector at the sensor
Corrosion on the connector
Bad wiring from the sensor to the DME
Bad sensor
Bad DME
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Paul sorry not clear on this. Is this how you shut off code or something you do after. If after please define purpose. Thanks is advance.
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08-09-2009, 04:49 PM
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#8
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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You need to read and clear the code(s) using a Durametric or PST2. They do not clear themselves.
Once cleared you need to do the 90 second procedure so that the DME can relearn the base value of the sensors.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
Last edited by Paul; 08-09-2009 at 05:02 PM.
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08-09-2009, 05:10 PM
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#9
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Registered User
Join Date: Jul 2009
Location: Columbus, OHIO
Posts: 21
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Quote:
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Originally Posted by Paul
You need to read and clear the code(s) using a Durametric or PST2. They do not clear themselves.
Once cleared you need to do the 90 second procedure so that the DME can relearn the base value of the sensors.
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great and thanks I will try
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08-08-2009, 06:02 PM
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#10
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Guest
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Quote:
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Originally Posted by bustingear
Can anyone give me some suggestions that do not involve expensive shop equipment? thanks in advance.
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one word...Honda.
Trying to find a cheap answer on a car of this caliber isn't going to be easy..you might find yourself chasing (and spending) more than if you just took it to a professional.
I'm hoping that your sensor is faulty - either that, or maybe your cam is actually triggering the fault...in which case...well, never mind
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