1/14/2024 0 Comments 18 ford escape![]() Here's the url I found about the CHT sensor. ![]() It doesn't say engine light flashing and we didn't have temperature light go on, but we did have fail-safe cooling mode occur. The fail-Safe cooling mode description on pg 215 says both temp and engine lights have to light then the fail-safe mode is enabled. It just tells you to slow down or not drive at all. That is exactly what happened, so this description is not correct in a number of ways:įirst, on page 87 it says flashing engine light means misfire but it says nothing about then enabling fail-safe cooling mode. The air conditioning system will be disabled.When this occurs the vehicle will still operate. Each disabled cylinder acts as an air pump and cools the engine. If the engine reaches a preset over-temp condition, the engine will automatically switch to alternating-cylinder operation. It did illuminate, but in our case it was flashing and not just illuminated. It says: If the engine begins to overheat, the engine coolant temp gauge will move to the red (hot) area and High engine temp message will appear (and in our case neither of those two things occurred) but it also says the Service engine soon indicator will illuminate. So maybe there's a newer version than the printed one we have. It's on pg 214 of a manual I just found online. It did not say on pg 87 that blinking engine light would enable "Fail-Safe" cooling, but we found that on pg. It turned off a/c and I assume ran on alternate cylinders since power dropped dramatically. Then under Maintenance on pg 214 it describes fail safe cooling which is what happened. Under "Instrument Cluster", pg 87 it says blinking engine light means engine misfiring is occurring.
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