C0491 DTC For Cadillac Escalade
Cadillac Escalade Engine Specifications:
Engine Type : | Multi-Cylinder Engine |
Cylinder Type : | W-Type Engine |
Engine Air Intake Process : | Turbocharged Engine |
Your Cadillac Escalade engine control system detects a problem, the computer stores the diagnostic trouble
code C0491 in its memory.
To figure out what is wrong with your vehicle you must first extract the C0491 DTC For Cadillac Escalade.
To solve C0491 Cadillac Escalade 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
C0491 Cadillac Escalade DTC Meaning
C |
Chassis Code - Problem is controller area network wiring bus and modules. |
0 |
SAE - Generic |
4 |
Fuel And Air Metering (Injector Circuit Malfunctions Only) |
9 |
TP Sensor Learn Not Complete |
1 |
PCM Stack Overrun |
There are currently two main types of cylinder deactivation used today, depending on the type of engine. C0491 Cadillac Escalade 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.
You can also check other Cadillac car models :
The listed Cadillac models will give information about C0491 DTC.
|