Testing the coils on a 97 Ford F250 5.4 for a misfire.
Had a 97 F250 come in with a complaint of running rough and check engine light on. Found a code for a number 7 cylinder misfire. The cylinder ...




Had a 97 F250 come in with a complaint of running rough and check engine light on. Found a code for a number 7 cylinder misfire. The cylinder ...