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Old 05-06-2009, 08:27 PM   #1 (permalink)
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Default 2007 XL7 P0008 check engine code

Hi all,
Hopefully someone can help. We have a 2007 xl7...the check engine light came on and a friend ran the code. It came up as P0008 (engine position system performance bank 1). Does anyone have any info on this at all?
Also, it is a US model and we live in Canada...will that affect any issues with recalls?
Thanks so much
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Old 05-06-2009, 08:40 PM   #2 (permalink)
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from the service manual:
Quote:
The engine control module (ECM) tests for a misalignment between both camshafts on one bank of the engine and the crankshaft. The misalignment would be at an idler sprocket for either bank or at the crankshaft. Once the ECM learns the position of both camshafts on one bank of the engine, the ECM compares the learned values to a reference value. The ECM will set a DTC if both learned values for one bank of the engine are exceeding a calibrated threshold in the same direction.
Basically one or both camshafts are out of sync with the crankshaft, or at least the ECM thinks it is. This most likely will be covered under the 7/100k powertrain warranty unless it's a sensor problem, in which case it'll only be covered by the 3/36k comprehensive warranty.
Really tough to say much more without seeing the car in person and looking at the engine data in the scan tool and/or pulling off the valve covers and checking the timing. Has any work been done recently on the motor? that would be a highly suspect if it had.
~Erik~
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Old 05-06-2009, 08:49 PM   #3 (permalink)
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Thanks Erik...we had a tranny leak fixed about a month after we got the vehicle (which was September 2008)...I will head to Suzuki and hope for the best!!
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Old 05-09-2009, 12:15 AM   #4 (permalink)
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Yeah take it into the dealer. Power Train should cover it if above 3/36. Probably a stretched timing chain.
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Old 05-14-2009, 09:01 AM   #5 (permalink)
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Circuit/System Description
The engine control module (ECM) tests for a
misalignment between both camshafts on one bank of
the engine and the crankshaft. The misalignment would
be at an idler sprocket for either bank or at the
crankshaft. Once the ECM learns the position of both
camshafts on one bank of the engine, the ECM
compares the learned values to a reference value. The
ECM will set a DTC if both learned values for one bank
of the engine are exceeding a calibrated threshold in the
same direction.
Conditions for Running the DTC
• DTCs P0010, P0011, P0013, P0014, P0020, P0021,
P0023, P0024, P0341, P0342, P0343, P0346, P0347,
P0348, P0366, P0367, P0368, P0391, P0392, P0393,
P2088, P2089, P2090, P2091, P2092, P2093, P2094,
and P2095 are not set.
• The engine is operating.
• The ECM has learned the camshaft positions.
• DTC P0008 and P0009 run continuously once the
above conditions are met.
Conditions for Setting the DTC
The ECM detects that both camshafts on either bank of
the engine are mis-aligned with the crankshaft for more
than 4 seconds or a cumulative of 50 seconds.
Action Taken When the DTC Sets
DTC P0008 and P0009 are type B DTCs.
Conditions for Clearing the DTC
DTC P0008 and P0009 are type B DTCs.
Diagnostic Aids
• Inspect the engine for any recent engine mechanical
repairs. An incorrectly installed secondary timing
chain can cause this DTC to set.
• A single failed camshaft actuator or actuator solenoid
will not cause this DTC to set. This diagnostic
algorithm is designed to detect an alignment condition
between a primary intermediate sprocket and the
secondary timing chain, or the alignment between a
primary intermediate sprocket and the crankshaft.
Either condition would cause the camshaft timing for
both cams on one bank to be off an equal number of
degrees.
• The presence of DTCs P0008 and P0009 along with
P0016, P0017, P0018, and P0019 indicates a
possible condition with the primary timing chain and
the alignment between both intermediate sprockets
and the crankshaft. Or, the crankshaft reluctor wheel
has moved and is no longer referenced to top dead
center (TDC).
• Observing the desired and actual camshaft angle
parameters, with a scan tool before a DTC sets, may
help to isolate whether a condition is specific to one
camshaft, one bank, or caused by a condition with the
primary crankshaft timing
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Old 05-15-2009, 11:10 AM   #6 (permalink)
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My bet is poor contact on a connector. Has happened before. GM wiring tends to do this. Timing chains do not strech, not at least before 1,000,000 miles.
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Old 05-27-2009, 12:01 AM   #7 (permalink)
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Thumbs down Timing Chain is probably is stretched!

My 2007 XL7 with 22,000 miles is at the dealer waiting for a tensioner for my timing chains (there are 3). I got the same code ,Suzuki told them at first to shut off the check engine light, there is no such code (it came back on). Turns out the timing chains are stretching on these vehicles. The dealer I bought mine at has done 5 of them, timing chain replacements. I had to go through the song and dance of showing all my oil change receipts and then wait for 2 days to hear from Suzuki USA to see if they were going to honor their warranty, they've almost had it for 2 weeks and still haven't started on it, parts on back order. I would say this is more than a small problem if they can't get the parts. this will be my First and LAST Suzuki! Make sure you make them fix it before it becomes more of an issue. I hear the oil sludge is creating this problem and oil is not getting to the timing chain. I used synthetic blend, I will go to full synthetic once I get it back. It will reduce the chance of sludge.
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Old 05-27-2009, 05:34 PM   #8 (permalink)
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The owners manual says use 5w30 synthethic but the problem is the chain tensioner, next time buy a Suzuki vehicle not a Suzuki/GM , just my 2 cents....
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Old 05-27-2009, 06:47 PM   #9 (permalink)
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Jose,
I understand that this engine is built by Suzuki in Japan and sent to Canada to go in the vehicle.

The 3.6L V6 is and it has been used extensively and reliably in many GM, Saab (in turbocharged form) and Alfa Romeo applications without noticeable cam and chain problems. This 3.6L V6 engine is a high output engine with a forged bottom built to tight tolerances, that's why I believe it's so eficient.

What's people don't seem to understand is that it REQUIRES synthetic oil as per the manual (but again who reads the manual?) That is the only way the oil can be changed as per the engine oil life monitoring computer.

I bet that most of the people that are having problems are using regular oil and changing it according to the oil monitoring system allowing sludge to build up in the engine blocking the passages of the cam phasing system and related mechanisms.

I have used Penzoil Platinum 5w30 from the first oil change and usually change it when the monitoring system is at around 30%. Last week I drove around 1k miles without a problem.

Have you seen many XL7 problems in PR? I was there in November and saw just a few of them, maybe two. What there is A LOT of are the Grand Vitara's! My sister is in the process of buying an SUV and I wanted her to buy the 4 cyl GV with leather and sunroof for about $16K, that is a great deal in PR. She thought it was too small for her and like 90% of the Puertorricans she is going to fall for the Toyota propaganda.

Saludos Boricua.
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Old 05-27-2009, 11:50 PM   #10 (permalink)
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Exclamation Oil change

I changed my oil very 5,000 miles and it was 50% or above, my manual says to use sythetic blend which I did. Castrol Syntec. I've read the engine was engineered to use Mobil 1 which is not in the manual.
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