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3.2 LH Sequential Multiport Fuel Injectin System (LH-SFI)   >   12 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1) Engine starts poorly No TN-signal (rpm signal) 23 13.0 Engine starts poorly and accelerates poorly Left or right hot wire MAF sensor (B2/3 or B2/4) defective Left or right ECT sensor (B11/9 or B11/10) defective 23 6.0 - 7.0 23 10.0 - 11.0 Engine does not start No voltage supply from base module (N16/1) FP relay module (K27/1 or K27/2) defective Left or right ECT sensor (B11/9 or B11/10) defective Injector control and injection timing 23 1.0 - 5.0 23 9.0 34 2.0 23 10.0 - 11.0 23 32.0 Engine runs uneven at CTP (idle) Left or right EGR valve defective Injector control and injection timing 23 23.0 23 32.0 Engine has insufficient engine output Left or right camshaft timing adjustment defective 23 27.0 - 28.0 1) Observe Preparation for Test, see 22 .