This is a continuation of the K-Jetronic diagnostic and service tips we first presented last April. When you know what to look for, K needn’t be a killer!
Probably the most common breakdown on this carb is auxiliary accelerator pump (AAP) failure. Some techs argue that as long as the AAP holds vacuum, it’s okay. Others say that any sign of fuel residue in its vacuum nipple or vacuum line is reason for replacement.