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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6206
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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HAVE A 08 ESCAPE HYBRID WONT START SAYS IT USES THE GEN TO

Customer Question

HAVE A 08 ESCAPE HYBRID WONT START SAYS IT USES THE GEN TO START THE MOTOR HOW DO I TEST TO TELL WHERE MY FAULT IS NEED TO CHECK POWER CELL AND GEN?
Submitted: 1 month ago.
Category: Ford
Expert:  A. Penland replied 1 month ago.

Before you do any repairs to anything on a Hybrid vehicle, you need to check for trouble codes in the vehicle completely, all the modules. Probing wiring on hybrid circuits can be deadly, very high voltage is contained in the orange taped wiring for the hybrid systems. Please check for trouble codes first. You will need a scan tool to check for these trouble codes, not a code reader.

Customer: replied 1 month ago.
i,ve been a auto tech for about 37 years just now having to learn the hybrids so i know more than the basics. i,ve already used my mac navigator on the escape no codes to work with and already tested all the 12 volt power supplies from what i,ve learned on these models is there is no starter that the gen is used to start the engine now the dashboard msg center says the 245 volt battery system is good but it wont turn the truck over to start the gas engine.i need to know how to test the voltage to confirm that the power cell is good and how to test the gen to see if it is reciving the comand from the ignition switch to start the truck so do you know how to test the system have diagrams? i havent located a manual for the hybrids on the market.thats the only reason im on here looking for the proper steps to diag the problem so can you help or not?
Expert:  A. Penland replied 1 month ago.

Have you tested the actual engine battery that starts the engine? The Hybrid battery does not start the engine. If the actual engine battery is bad, it will not start. The alternator only charges the engine battery. See the pin point tests below for diagnosing your starting problem.

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