Your Triumph Stag engine control system detects a problem, the computer stores the diagnostic trouble
code P1426 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1426 DTC For Triumph Stag.
P1426 Triumph Stag engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)
P1426 Triumph Stag DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
MFG - Manufacturer Specific
Fuel And Air Metering (Injector Circuit Malfunctions Only)
Cruise Control Servo Indicates Low
Transmission Control Module Reprogrammable Memory
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1426 Triumph Stag 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.