Your Toyota Progress engine control system detects a problem, the computer stores the diagnostic trouble
code C1837 in its memory.
To figure out what is wrong with your vehicle you must first extract the C1837 DTC For Toyota Progress.
To solve C1837 Toyota Progress 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
C1837 Toyota Progress DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
MFG - Manufacturer Specific
Accelerator Pedal Position (APP) Sensor 1 Performance
Low Coolant Circuit
Cruise Control System - Vehicle Accel Too High
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. C1837 Toyota Progress 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.