|
|
P0506-IDLE SPEED PERFORMANCE LOWER THAN EXCEPTED (CONTINUED) 3. THROTTLE BODY OPERATION Inspect the throttle body for carbon build up, other restrictions, and a bent throttle plate using a straight edge. If the throttle plate does not close entirely it may be bent and needs to be replaced. Verify that the throttle cable between the Accelerator Pedal and APPS is not binding. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands Were any problems found? Yes >> Repair or replace as necessary. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 4 4. PCM NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal Were there any problems found? Yes >> Repair as necessary. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Replace and program the Powertrain Control Module per Service Information. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 490 ENGINE ELECTRICAL DIAGNOSTICS ND |