U3977 DTC For Armstrong Siddeley Starsapphire
Armstrong Siddeley Starsapphire Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | W-Type Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Armstrong Siddeley Starsapphire engine control system detects a problem, the computer stores the diagnostic trouble
code U3977 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3977 DTC For Armstrong Siddeley Starsapphire.
To solve U3977 Armstrong Siddeley Starsapphire 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
U3977 Armstrong Siddeley Starsapphire DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 3 |
SAE - Generic |
| 9 |
Transmission |
| 7 |
Exhaust Gas Recirculation System Valve 1 |
| 7 |
Cruise Control System - Vehicle Accel Too High |
There are currently two main types of cylinder deactivation used today, depending on the type of engine. U3977 Armstrong Siddeley Starsapphire 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 Armstrong car models :
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The listed Armstrong models will give information about U3977 DTC.
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