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P0008 CHEVROLET

P0008 CHEVROLET - Engine Positions System Performance Bank 1

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Possible causes
- Engine mechanical problems
- Incorrect timing chain
- Stretched timing chain
- Failed camshaft actuator or actuator solenoid
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Tech notes
There is a factory service bulletin for the following Chevrolet models:

2008 Chevrolet Malibu
2008 Chevrolet Equinox

The service bulletin suggest replacing the primary drive and both secondary drive timing chains. Contact your Chevrolet dealer for more information. The repair could still be cover under factory warranty.
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When is the code detected?
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.
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0008 CHEVROLET Description
The Engine Control Module (ECM) monitors the position of both camshafts and the crankshaft. The ECM performs a test for misalignment between both camshafts on one bank of the engine and the crankshaft. During the test the ECM learns the position of the camshafts and the crankshaft. While the engine is idling, the ECM compares the position of both the camshafts and the crankshaft with the learned value. The ECM will set the P0008 code if both learned values for one bank of the engine are exceeding a calibrated threshold in the same direction.
CHEVROLET Technical Service Bulletins for P0008 code
2008 CHEVROLET EQUINOX ENGINE AND ENGINE COOLING:ENGINE Details
2008 CHEVROLET MALIBU ENGINE AND ENGINE COOLING:ENGINE Details
2008 CHEVROLET EQUINOX 061000 ENGINE AND ENGINE COOLING:ENGINE Details
2008 CHEVROLET MALIBU 061000 ENGINE AND ENGINE COOLING:ENGINE Details
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