Your Lotus 49 engine control system detects a problem, the computer stores the diagnostic trouble
code P1277 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1277 DTC For Lotus 49.
To solve P1277 Lotus 49 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
P1277 Lotus 49 DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
MFG - Manufacturer Specific
Computer And Auxiliary Outputs
Exhaust Gas Recirculation System Valve 1
Cruise Control System - Vehicle Accel Too High
While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P1277 Lotus 49 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.