P2139 Lotus Esprit DTC Code

Lotus Esprit Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Supercharged Engine

Your Lotus Esprit engine control system detects a problem, the computer stores the diagnostic trouble code P2139 in its memory. To figure out what is wrong with your vehicle you must first extract the P2139 DTC For Lotus Esprit.

A good ground connection is also extremely important. P2139 Lotus Esprit engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).

P2139 Lotus Esprit DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
2	MFG - Manufacturer Specific
1	Fuel And Air Metering
3	Low Coolant Circuit
9	A/C System High Pressure High Temperature

If your vehicle failed a P2139 Lotus Esprit test and the P2139 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P2139 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P2139 DTC For Lotus Esprit: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.