News Technical Service Bulletins

Fuel in Oil for Chevy

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This bulletin concerns some 2012-2018 Chevy Captiva and 2010-2017 Equinox vehicles.

Owners of 2012-2018 Chevy Captiva and 2010-2017 Equinox vehicles equipped with a 2.4L engine may comment about an SES light on and a rough running condition and/or an engine run-on condition. DTC P0172 may be set. In most cases, the crankcase will have obvious fuel contamination. This may be a result of the high-pressure fuel pump leaking fuel into the crankcase when the plunger is depressed. 

Check the low-side fuel pressure leak down with a mechanical gauge. If fuel pressure leak down is present with the J37287 fuel line shutoff adapter installed and closed, follow the fuel pump replacement procedure in the service manual to replace the high-pressure fuel pump. Also, change the engine oil and filter.


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