why dose my 93 chevorlte camaro 3.4 liter when it starts thoughs black smoke when it runs

Asked by block07 Oct 19, 2013 at 01:48 AM about the 1993 Chevrolet Camaro Coupe RWD

Question type: Maintenance & Repair

2 Answers

DavidH25 answered 10 years ago

Black smoke is unburnt fuel, for whatever reason, you are running way rich. An DTC might help, you don't have OBDII .....try this page for OBDI troubleshooting, some really good information here: http://ls1tech.com/forums/lt1-lt4-modifications/1195302-obd1-dtc-codes-troubleshooting.html

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