2007 yukon oil pressure

Asked by Feb 24, 2014 at 08:44 AM about the 2007 GMC Yukon SLE1

Question type: Maintenance & Repair

2007 yukon no oil pressure engine quits

1 Answer

10,045

As Jim has enlightened me. The PCM kills the motor if there is no oil pressure within a certain run time. Check the oil level then the sending unit. Do not start it until the problem is solved. The oil pressure regulators fail and divert oil to the pan starving the motor. It doesn't take long to score the bearings if you start it dry. There is no easy way to prime these motors without turning them over. This is what I would do. Thread the oil pressure sending unit out and install a 60 psi gauge. Pull the spark plugs. Get a friend to turn it over. If there is no or low pressure you need pull the pan and replace the pump. If you drain the oil and there is metallic particles it's most likely the oil reg. If it is only the sending unit you are good to run.

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