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Old 11-06-2018
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Quote:
Originally Posted by gibrate1 View Post
Try pressure testing your lift pump (low pressure) or look at the lift pump to high-pressure pump to see if there are any bubbles. This could be a sign of bad O rings (are your green MB ones) or failing lift pump.

In general check the fuel lines to see if there are any bubbles as I'd suspect air in the system at this stage.

Have you checked the codes?

Have you (or can you) perform a leaseback test, you could have a bad injector.

Jason