Ford Taurus Problem Reports
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code 340 and after replacing the cam sensor and sync assembly, the code still exists.
with all readings normal, scope pattern of the cam sensor are ok, the code remains due to a faulty DPFE triggering the code. Ford is aware of this issue and has no fix available for this issue.
care needs to be taken when diagnosing this issue as to not replace parts that are, in fact, still good.
We have tried re flashing the PCM with negative results.
broken valve spring. broke valve stem and destroyed piston.
replace engine with ford rebuilt long block.
My check engine light has been on for a few months. Originally when the issue began, a local auto shop machine said that it was oxygen sensors. I recently replaced two and it ran fine for a day. It seems fine when its started but when its in gear, it shakes, and it barely picks up any speed. There is also a burning smell. the second auto report stated that it now need as cam sensor and ignition coil.
Car ran hot on a whim. Water leaked out as it was being put in. Water got into the oil as well, which Ford says its because the water pump is inside the engine. Ford determined the water pump locked up. Ford service department is replacing the water pump and recommend flushing coolant system and injectors since it ran hot. The service department started out with a price of $2100 but I was able to negotiate down to $1600.