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Comments
If the battery gets too hot it won't operate.
TSB 08-24-5 states that some 2005-2008 Escape Hybrid and 2006-2008 Mariner Hybrid vehicles may exhibit a red triangle light and codes indicating a transaxle overtemp. This condition may result in reduced power as the system activates fail safe operation. Codes P1A0E, P1A0F, P0A3C, P0A3E, P0A7A, P0A7C and P1A0D may also be set.
However, on the FEH the 12v battery does not start the engine; the main traction battery does that. All the 12v battery does is power up the electronics to control the vehicle so that the big battery in the back can crank the engine. So you could have a bad traction battery. On a 2008, you would still be under the hybrid warranty for the main battery (unless you have more than 100K (150K in CARB states) on the vehicle. So that main battery would be under warranty.
Take the car to a Ford dealer who has Hybrid specialists. This car is very different than a normal vehicle.
I did a search on the Internet, but I did not find out how the 12v is charged (via the main engine or via mechanical charging). I suspect that the electrical system charges it, so lack of charging could be the main battery. If it is charged by the electrical system, there could be a problem with the pieces that step the 330v down to 12v. But this last part is conjecture.
Was it the water pump (for the engine), or the MECS pump (for the electronics)? The MECS is notorious for failing in this vehicle, particularly before the 2010 model redesigned the pump. I just had mine done after my car shut down twice on the freeway. I had 64K on my 2008 at the time.
What's nice is that you can jiggle the key as you're turning it--the same way you would a cranky house key or something--and it is a way to diagnose if this is indeed the problem.
I Have a 2009 Mercury Mariner Hybrid. You put the key in turn it to start and it may or may not start. You turn it off turn it to 1/2 way then count to 10 may start may not. Repeat this process 5-10 times and eventually it will start. Any one have similar issue or a solution.
Sounds like it could possibly be a fuel line/pump issue because the process you're describing should be trying to pump fuel to the engine each time you do it. Sort of like if you had a hose attached to a faucet that had a blockage in it and you turned it on and off until the blockage shifted and water eventually flowed. Could be a problem with the fuel pump as well, and the multiple attempts finally gets it to get going. Another possibility would be a fuel line leak where the pressure that normally keeps fuel in the line ready for the next time you start the car bleeds off. I had that happen with a vehicle once and had sporadic starting issues like you describe.Turning the key to that halfway position for a few seconds before trying to start would run the fuel pump and repressurize the line. Are you smelling any gas? when it doesn't start?
Beyond that a lot more very specific information would be required to even begin to have a starting point for a discussion about what is going on. That would include the trouble code(s), associated serial data, bidirectional command test results KOEO test and KOER test as applicable. (Key On Engine Off and Key On Engine Running) and from there specific pinpoint test results.
I'll giggle the key like crazy next time. I never made that attempt. I have thought that there is something wrong with the ignition switch though. It just feels wrong, like it needs lubrication or something...
good friends have a ford escape hybrid and haca time for me is leaving uncharged battery 12v would appreciate your answers thanks