John d Posted November 9, 2023 Share Posted November 9, 2023 What are the signs of a bad fuel pressure regulator? When truck starts at Rev up it breaks up a little bit then eventually clears up. When running even empty is has no power.changed fuel filters and made sure all fuel lines are clear. Quote Link to comment https://www.bigmacktrucks.com/topic/73520-mack-e6-300l-no-power-even-empty/ Share on other sites More sharing options...
0 mrsmackpaul Posted November 9, 2023 Share Posted November 9, 2023 Is it making smoke ? No smoke means no fuel Lot's of smoke means no air White smoke generally means your getting air in the fuel or timing is off a fair bit Or at least thats how I understood this Paul Quote Link to comment https://www.bigmacktrucks.com/topic/73520-mack-e6-300l-no-power-even-empty/#findComment-541652 Share on other sites More sharing options...
Question
John d
What are the signs of a bad fuel pressure regulator?
When truck starts at Rev up it breaks up a little bit then eventually clears up.
When running even empty is has no power.changed fuel filters and made sure all fuel lines are clear.
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https://www.bigmacktrucks.com/topic/73520-mack-e6-300l-no-power-even-empty/Share on other sites
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