27/03/2025
Astra K 1.4 petrol turbo (B14XFT) in with reduced power mode
Error codes P0089, P00C6, P228C. All codes related to low fuel pressure in the direct injection high pressure fuel system.
After inspecting the live data it was clear the system only had 4 bar of fuel pressure rather than the desired 50 bar of fuel pressure. There were no obvious visual issues with the high pressure fuel pump after it was as removed for inspection so I moved on to removing the valve cover to inspect the camshaft lobe and roller shim. That’s when I found the roller shim had broken up and in turn was no longer able to push the high pressure pump down.
The roller shim was replaced, all debris removed and the oil and filter changed.
The engine ran nicely and the customer drove away happy
VAUXWORKS
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👨🔧 25 years of Vauxhall experience