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Ask Hank F. Your Own Question
Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14479
Experience:  Certified on Onan and Generac generators
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I have an onan 5.5 HGJAB - 1038E GENERATOR iT CAME NEW ON MY

Customer Question

i have an onan 5.5 HGJAB - 1038E GENERATOR iT CAME NEW ON MY 2012 COACHMEN MIRADA
JA: What is the model/year of your RV?
Customer: 2012 COACHMEN MIRADA 35 DS
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: IT RUNS AND THEN SHUTS OFF AFTER 15-20 MINUTES i GET AN ERROR CODE OF 36 WHEN I GO THRU THE ERROR CODE SEQUENCE
JA: How many miles are on the car? Do you have scan tool or a code reader?
Customer: i HAVE 51,000 MILES ON THE rv ONLY 135 HOURS ON THE GENERATOR
JA: Anything else you think the mechanic should know?
Customer: WELL I THINK THE PROBLEM IS THE FUEL PUMP WOULD LIKE TO KNOW THE LEVEL OF DIFFICULTY TO CHANGE OUT MY CONTACT IS***@******.*** OR JON KARLSON (###) ###-####
Submitted: 4 months ago.
Category: Small Engine
Expert:  Hank F. replied 4 months ago.

Hello, my name is ***** ***** I am going to assist you with this.

Although the fuel pump is a distinct possibility, there are a couple other things it could be, also.

I can definitely help with this, as I have been an Onan technician for 15 years now.

But I need just a bit more information first.

1. While the engine is running, does it run smoothly, or is it running rough and surging?

2. When the engine shuts down, just it just shut off like someone turned it off, or does it start running very rough and then shut down?

3. When it shuts down, will it start right back up, or does it have to sit for a while before it will restart?