Intermittent code 559
03-07-2022, (Subject: Intermittent code 559 ) 
Post: #4
RE: Intermittent code 559
When we did the pressure test, it stayed steady @ 28900-29300 psi. The mechanic didn't officially time it but we watched the pressure drop to -1200psi after a few minutes. On another note, Today it has developed a loud squeal on starting but it is now choking down, starving for fuel and dying much more quickly than before. We haven't been able to pinpoint the squeal as of yet....
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RE: Intermittent code 559 - Heavyhaulmark - 03-07-2022



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