How To: Fix Boost Control Device on Bosch Fuel Pump

Fix Boost Control Device on Bosch Fuel Pump

Driving for a while then suddenly experiencing low power problems? Checked everything except the fuel pump? This additional device controls fuel during start (hence the name Smoke Limiter) and at higher engine rpm. Inside is a piece of rubber that actuates via pressure from the engine's intake manifold. Usually installed on diesel vehicles equipped with a turbocharger.

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