What is the DTC code on a Ford 87?
What is the DTC code on a Ford 87? On 87–90 models, a base readout of 4030 indicates engine running self test has been entered. On 87–90 models, DTC output will be the RH three digits displayed. Service pass code is 4011. On 91–97 models, DTCs will be displayed on message center. On all models, to exit Self test, turn ignition Off. What does code 25 on Ford OBD1 mean? Count the first set of flashes on the test light and record it such as 2. The flashing will pause then start again delivering the sound part of the code...