March 2014
Pinning Down Intermittent Malfunctions On OBD II Vehicles
Although post-1996 OBD II powertrain control modules (PCMs) are generally very reliable, we're beginning to see more failures because the average age of our national vehicle fleet has now increased to about 11.5 years. Technically speaking, the PCM should store a DTC indicating some type of internal malfunction. But, in...