Fuel pressure testing
06-23-2020, (Subject: Fuel pressure testing ) 
Post: #10
RE: Fuel pressure testing
When you get the CEL, what is Insite recording on the fuel pressure voltage and actual pressure. If its a huge drop and you pulled your mechanical pump off and it checks out okay, then your probably dealing with some faulty wiring in the loom somewhere or at the plug itself. Aging wire problems.
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06-23-2020, (Subject: Fuel pressure testing ) 
Post: #11
RE: Fuel pressure testing
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(06-23-2020 )Chamberpains Wrote:  When you get the CEL, what is Insite recording on the fuel pressure voltage and actual pressure. If its a huge drop and you pulled your mechanical pump off and it checks out okay, then your probably dealing with some faulty wiring in the loom somewhere or at the plug itself. Aging wire problems.

The 3 low pressure events have already been cleared. These 2 differential pressure are from last week.
I have not removed the gear pump.
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