Check engine light?
 

Hi just turned over the rb5,first time in 2 weeks,plenty of oil and water..comes upto temperature fine and turbo spools fine but the check engine light come on?? Checked fuel cap to make sure it's pressurized system but still on,don't really wanna drive it with light on?? What to do next ? Diagnosis I guess? Any ideas???cheers

why not just read the code ?
as it`s a classic you don`t need any special equipment.