Fortunately, many OBD II problems are relatively minor and have little impact on engine performance or reliability. But some do. The only way to know for sure what is causing the MIL lamp to come on is to plug a scan tool into the system and read the diagnostic fault code(s) to find ...
Oldsmobile. -That depends on what the stored computer code number is. Most EVAP system codes will have no ill effect of the vehicles operation, other than a constant check engine light and unable to pass emissions testing.I have P0446 and I changed the purged solenoid, vent solenoid, and ...