Ford Freestar wrench light on with acceleration issue over 20 mph, suspected transmission problem on Ford Freestar

Some Ford Freestar owners report experiencing issues when the wrench light illuminates, indicating potential problems with the powertrain and four-wheel-drive system. This warning light, often associated with acceleration issues over 20 mph, may suggest a transmission problem. Owners have noted that the wrench symbol signifies faults in powertrain components, including the engine, transmission, and driveshaft. It is recommended that these owners seek inspection from a qualified mechanic to accurately diagnose the issue and determine necessary repairs. Additionally, some report that the wrench light can be triggered by factors such as low system voltage, low boost, abnormal temperature differences, or a faulty oil cooler. Depending on the identified cause, solutions may range from changing engine oil or transmission fluid to more complex transmission repairs. Given these symptoms, prompt professional assessment is crucial for resolving any transmission issues affecting the Ford Freestar.