P1689 Honda 145 DTC Code

Honda 145 Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Supercharged Engine

Your Honda 145 engine control system detects a problem, the computer stores the diagnostic trouble code P1689 in its memory. To figure out what is wrong with your vehicle you must first extract the P1689 DTC For Honda 145.

To solve P1689 Honda 145 problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

P1689 Honda 145 DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
6	Vehicle Speed Control And Idle Control System
8	Crankshaft Position Sensor Circuit Performance
9	A/C System High Pressure High Temperature

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1689 Honda 145 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.