Ssangyong P1191 !link! -

Diagnose and repair the issue within 100-200 miles of the code appearing.

: Reduced engine power and limited RPM to protect the fuel system. Engine Stalling : The vehicle may cut out randomly while driving or idling. Check Engine Light ssangyong p1191

A visual inspection is not enough. Perform a smoke test by introducing smoke into the intake system via the air intake pipe. Watch for smoke escaping from: Diagnose and repair the issue within 100-200 miles

However, the most universally accepted definition for Ssangyong is an . The ECU compares data from the following: Check Engine Light A visual inspection is not enough

When in doubt, consult a specialist who understands Ssangyong’s Mercedes-based engine management systems. A proper diagnosis today saves a blown engine tomorrow.

On the Ssangyong XDi 270 engine (Mercedes OM647 derivative), a failing high-pressure fuel pump or a clogged fuel filter can cause rail pressure to drop. Some ECU software versions interpret a fuel pressure plausibility error as P1191 alongside a P0087 (fuel rail pressure too low).