Patrol 4x4 - Nissan Patrol Forum - View Single Post - Wife filled the diesel full of unleaded
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Old 08-01-2017, 03:21 PM
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Originally Posted by davecass View Post
Hi Guys I drained all the fuel and changed filter etc and now the engine turns over but doesnt start I plugged in a diagnostic tester and it comes up with P0089 Fuel pressure regulator any ideas
Mostly likely logging a large fuel leak/ low fuel pressure fault due to a shot fuel pump or injectors leaking back to tank excessively. Also may have the rail releif jammed open.
May get luck and only have a damaged SCV.
Personally id change the SCV and the rsil relief as they are the cheapest parts of the fuel system and both can jam open or closed.

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