P3983 Lexus Auto Trouble Code
Parts or components should not be replaced with reference to only a P3983 Lexus DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
The problem is caused by the variable cylinder management system switching on and off during light throttle conditions, at cruising speeds, or when driving on flat roads. The constant switching causes excessive oil consumption and the trouble codes appear when oil pressure drops to the point where it can no longer operate the VCM system.
P3983 Lexus Possible Solution:
Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.
P3983 Lexus Description For All Models :
- Lexus Daytona
- Lexus Es
- Lexus Flv
- Lexus Gs
- Lexus Gx
- Lexus Is
- Lexus Is200
- Lexus Is220
- Lexus Is250
- Lexus Is300
- Lexus Lf
- Lexus Ls
- Lexus Ls 300
- Lexus Ls 350
- Lexus Lx
- Lexus Minority Report
- Lexus Rx
- Lexus Rx 300
- Lexus Rx400h
- Lexus Rx450h
- Lexus Sc
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P3983 Lexus Trouble Repair :
The scent may P3983 Lexus signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such, so if the inside of your car as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop. |
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