P1491 Hyundai Hcd DTC Code

Hyundai Hcd Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Naturally Aspirated

Your Hyundai Hcd engine control system detects a problem, the computer stores the diagnostic trouble code P1491 in its memory. To figure out what is wrong with your vehicle you must first extract the P1491 DTC For Hyundai Hcd.

To solve P1491 Hyundai Hcd 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

P1491 Hyundai Hcd DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
4	Fuel And Air Metering (Injector Circuit Malfunctions Only)
9	TP Sensor Learn Not Complete
1	PCM Stack Overrun

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P1491 Hyundai Hcd code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.