FReconnect the ECM connector

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK FUEL INJECTOR OF MISFIRING CYLINDER

(a) Check the injector injection (whether fuel volume is high or low, and whether injection pattern is poor).

REPLACE FUEL INJECTOR ASSEMBLY

13

CHECK VALVE CLEARANCE OF MISFIRING CYLINDER

NG

ADJUST VALVE CLEARANCE

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14

CHECK AIR INDUCTION SYSTEM

(a) Check the air induction system for vacuum leakage. OK:

No leakage from air induction system.

REPAIR OR REPLACE AIR INDUCTION SYSTEM

15

CHECK VALVE TIMING (See page ES-78)

NG

ADJUST VALVE TIMING

I^OKj

1B

CHECK FUEL PRESSURE

(a) Check the fuel pressure (See page FU-9).

NG

CHECK AND REPLACE FUEL PUMP, PRESSURE REGULATOR, FUEL PIPE LINE AND FILTER

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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