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Go Back   WakeWorld > >> Boats, Accessories & Tow Vehicles Archive > Archive through September 04, 2009

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Old     (shoprag)      Join Date: Aug 2008       08-07-2009, 9:37 AM Reply   
Maybe some of you have experience in this area.

I have an 03 Mastercraft X7 with the 5.7 F.I. motor. I ran out of gas the other day. Refueled it but now it won't start. It has fresh fuel, it cranks but won't turn over. Any feedback is helpful.

Also, where can I purchase mastercraft parts in the San Jose, Ca area in case I need to replace the fuel filter and fuel pump?

Thanks in advance, Frank

(Message edited by shoprag on August 07, 2009)
Old     (polarbill)      Join Date: Jun 2003       08-07-2009, 9:43 AM Reply   
You may have to prime the pump some how or I believe those units are notorious for burning out the pump when you run out of gas. The crappy part about that is that the whole sender/pump is all one unit and like $500. It is possible to pull out the sender/pump unit and just replace the actual pump which is less than $50 at a parts store.
Old     (boarditup)      Join Date: Jan 2004       08-07-2009, 9:46 AM Reply   
Troubleshooting:

Pull off fuel filter and replace.

While fuel filter is off, verify there is fuel being pumped by having someone turn the motor over. Be sure to have something to catch the fuel - it is going to shoot out if there is pressure. The pump is cooled by the fuel. Run it out of fuel and it will overheat.

There may be water in the system now, it may take some cranking to get it to turn over and run. Most fuel tanks have water on the bottom. Most motors do not run well on water.

If
Old     (antoddio)      Join Date: Dec 2006       08-07-2009, 9:46 AM Reply   
Running out of fuel is often the kiss of death in both boats and cars for fuel pumps. Usually it doesn't die right away, but still i'd say there's a good chance its toast.
Old     (denverd1)      Join Date: May 2004 Location: Tyler       08-07-2009, 10:00 AM Reply   
It's an MC. The fuel pump is dead. End of story.

You can replace with an aftermarket pump for about $100 IIRC. I know MCs is about $500
Old     (chaser)      Join Date: Sep 2006       08-07-2009, 10:56 AM Reply   
http://www.mastercraft.com/teamtalk/showthread.php?t=24965

That's just one thread on the aftermarket pumps if you end up needing one. Not saying you do. There are lots of threads on that site on doing an install too. FWIW, I ran out of fuel 2 years ago and over 200 hours ago and my fuel pump is still working.
Old     (denverd1)      Join Date: May 2004 Location: Tyler       08-07-2009, 10:59 AM Reply   
Wow, chaser. You're def the exception!
Old     (topside_marine)      Join Date: Sep 2005       08-07-2009, 11:49 AM Reply   
Cycle the key several times on and off. This will engergize the electric fuel pump. Since you ran out of fuel the system may not be primed with gas. After about 10 on and off cycles for about 8 to 10 seconds each then try start. If it still does not start then find out if you are getting fuel to the fuel rails. Call us is you need some assistance. 408 451 9596. Good luck.
Old     (denverd1)      Join Date: May 2004 Location: Tyler       08-07-2009, 12:28 PM Reply   
check the shrader valve on the fuel rail to see if your getting pressure to rails
Old     (shoprag)      Join Date: Aug 2008       08-10-2009, 9:35 AM Reply   
I'll try all of these methods. Thanks for everybody's input.
Frank
Old     (chpthril)      Join Date: Oct 2007       08-10-2009, 10:15 AM Reply   
Running one out of gas should not burn up a pump. The pump sucks a gulp of air, the fuel pressure drops, engine stalls, ECM no longer sees ignition input from the engine, ECM de energizes FPR, pump shuts off......'bout a 10 second time frame.
Old     (shoprag)      Join Date: Aug 2008       08-12-2009, 2:21 PM Reply   
Confirmed it was a bad pump. Got a replacement fuel pump from some crosslisting of part numbers proveded by all of you. Thanks for you input and links to nice step by steps. Test ran for one hour. So far so good. See you out there!
frank
Old     (denverd1)      Join Date: May 2004 Location: Tyler       08-12-2009, 3:01 PM Reply   
"It's an MC. The fuel pump is dead. End of story."

The problem is known to exist on several years models of MC boats. You're right it shouldn't, but thats what happens. In some cases, the boat never ran out, just got down to 1/4 tank. dead pump, same deal. MC has known for a while... I think they redesigned in '05...

Frank - at least we saved ya some coin!

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