I can only say one thing: REPLACE THE O2 SENSOR! Don't try any adjustments as you can make things even worst. If the sensor is 20 years old it is time to replace it. I'm sure this will fix your problem. Email me directly if you have any questions. Tom Niemczewski vin 6298 tomciodmc@xxxx > --- In dmcnews@xxxx, Rendy Cheng <rpcheng@xxxx> wrote: > > > Yesterday, my Delorean failed the smog check due to high > hydrocarbon. The technician played the rpm little bit but it did not > lower the hydrocarbon. > -- Tego nie znajdziesz w zadnym sklepie! [ http://oferty.onet.pl ]