Your Porsche 911 engine control system detects a problem, the computer stores the diagnostic trouble
code P1677 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1677 DTC For Porsche 911.
P1677 Porsche 911 engine diagnostic code is about in terms of how often you should get your tyres rotated, it's different for every vehicle and type of tyre, but having them rotated at every oil change is a good rule of thumb. Check with the tyre manufacturer for a more specific time frame. Remember that the more often you rotate your tyres, the more evenly they'll wear, and when you have the tyres rotated, you should also get them checked for balance and alignment.
P1677 Porsche 911 DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
MFG - Manufacturer Specific
Vehicle Speed Control And Idle Control System
Exhaust Gas Recirculation System Valve 1
Cruise Control System - Vehicle Accel Too High
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1677 Porsche 911 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.