Toyota 4A F 4A GE Engine Repair

Adjust Valve Clearance

a Check only those valves indicated as shown. Using a feeler gauge, measure the clearance between the valve lifter and camshaft. Record the valve clearance measurements which are out of specification. They will be used later to determine the required replacement adjusting shim. Intake 0.15 - 0.25 mm 0.006 - 0.010 in. Exhaust 0.20 - 0.30 mm 0.008 - 0.012 in. b Turn the crankshaft one revolution 360 and align the mark as above. See procedure step 2 c Check only the valves indicated as shown....

Output Of Diagnostic Codes

To obtain an output of diagnostic codes, proceed as follow j a Battery voltage 11 volts or more b Throttle valve fully closed throttle position sensor , IDL points closed c Transmission in neutral position e Engine at reach normal operating temperature 2. Turn the ignition switch to ON. Do not start the engine. 3. Using a service wire, short terminals T and El of the check connector. 4. Read the diagnostic code as indicated by the number of flashes of the check engine warning light.