Easy to follow step by step repair guide on how to repair black smoke from an
automotive engine exhaust system, these step are presented in order of
popularity, this article pertains to most vehicles.
Difficulty Scale: 4 of 10
Begin with the vehicle on level ground, parking brake set while wearing protective
eye wear and gloves.
Step 1 - If the check engine light has illuminated
the PCM has detected a malfunction that could be causing the black smoke such as
a shorted fuel injector. Visit -
Read trouble codes