Tagged: Fuel Pressure

May 22, 2022

K-Jet fuel pressure test part 4

I’ve been trying to narrow down poor running on my 79 280SE when cold. Previously, I had two issues I was trying to narrow down, high control pressure when cold, and after a while both system and control pressure dropping and fluctuating. I had replaced the fuel pump, which made no difference to the fluctuation issue. I had also sent off my warm...

Mercedes

November 20, 2019

KE Jetronic EHA Adjustment

I discovered at the MBCNSW Dyno day that my 560SEC was running dangerously lean. Lean enough to cause damage to the engine. While I was in the USA for work, I went to the Mid Florida Auto show. I met Pierre Hedary there (who runs an independent Mercedes workshop), who suggested that I should start by testing my fuel pressures and that he had...