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-   -   Help... my FEH / MMH has fallen and it can't get up. (https://electricvehicleforums.com/forums/mercury-mariner-hybrid-65/help-my-feh-mmh-has-fallen-cant-get-up-26672/)

Dan 03-05-2011 09:28 AM

Help... my FEH / MMH has fallen and it can't get up.
 
My MMH just went loopy. Engine cuts out when its under heavy load with a "STOP SAFELY NOW" message. When the engine cuts out the engine fan stays on.... I get an MIL on the "STOP SAFELY NOW" message, but I didn't have my SG with me to pull code. Whatever code was there has been cleared.

As soon as I turn the car off, I can turn it back on... Everything is fine if I'm easy on it, but if I put heavy load on it (2500 rpm-ish) it cuts out again.

Thoughts?

-Dan <11011011>

Dan 03-07-2011 06:44 AM

Re: Help... my FEH / MMH has fallen and it can't get up.
 
Found a good thread on this at Edmunds.

http://townhall-talk.edmunds.com/dir...ew/.f0ff5b5/59

Sounds like the water pump (factory pump often blows under 50k). If it is the water pump, repair could run between 650-900 dollars, depending on the mood of your dealer.

-Dan <11011011>

Oldsguy 03-10-2011 08:18 PM

Re: Help... my FEH / MMH has fallen and it can't get up.
 
Just had the MECS pump replaced at 70500 after having that trouble this past week. Dealer said there was a TSB about it and the new pump is much smaller size and different from the original. Don't know the cost as mine was done under Mercury ESP.

DualWield 12-03-2012 01:29 PM

Re: Help... my FEH / MMH has fallen and it can't get up.
 
It is definitely the MEC (electric motor coolant system) pump. Mine did the same thing on a thousand mile road trip to San Diego several times before dying on the way home in the middle of the Central Valley of California. It cost $600 to replace at the dealer. If you are at home with toolkit and jack stands, you can buy the pump itself for around $300 and do a relatively simple change out in about an hour.

Ford has an advisory notice about this problem, and there is a class-action lawsuit pending.


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