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ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-91 2 1. Inspect the high pressure side between the • Fuel supply pump • Fuel rail • Pressure limiter valve • Fuel rail pressure (FRP) sensor • Fuel pipe between the fuel supply pump and fuel rail • Fuel pipe between the fuel rail and fuel injectors • Each fuel pipe sleeve nuts Notice: Fuel may leak under the cylinder head Notice: Remove and inspect the inlet high 2. Repair any fuel system leaks as necessary. Did you find and correct the condition? — Go to Step 16 Go to Step 3 3 1. Remove each glow plug from the cylinder 2. Inspect for fuel leakage into the combustion Is there a cylinder that fuel leakage into the — Go to Step 13 Go to Step 4 4 1. Install a scan tool. 2. Turn OFF the ignition for 30 seconds. 3. Start the engine. 4. Monitor the DTC Information with a scan tool. Is DTC P0087, P0091, P0092, P0192, P0193, — Go to Applicable DTC Go to Step 5 5 1. Turn OFF the ignition. 2. Wait 1 minute for the fuel pressure to bleed 3. Turn ON the ignition, with the engine OFF. DO 4. Observe the FRP Sensor parameter with the Does the scan tool indicate within the specified 0.9 to 1.0 volt Go to Step 6 Go to Step 11 Step Action Value(s) Yes No |