You can check the TSRM, but i think Calif cars had 2 cats.
High HCs can be caused by cylinder misfires.
What kind of test are they doing?? 2 speed idle, or dyno.??
How's the spark plug wires and cap and rotor??
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Had a Red 1989 N/A. Automatic. Sports Pkg. w/wing.
TEMS, and some nice MODS. Sold to a friend 10/08/08.
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