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U0988 Engine Trouble Code

Meaning of U0988 engine trouble code is a kind of network trouble code and U0988 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

U0988 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for U0988 code is occuring now you should check U0988 repair processes.
Now don't ask yourself; What should you do with U0988 code ?
The solution is here :

U0988 Possible Solution:

U0988 Engine

Gasoline engines use spark plugs to cause an explosion of fuel within the cylinder. In a properly timed engine, this explosion occurs at the proper moment to send the piston to the bottom of the cylinder and provide power to the drive shaft. If the plug wires are out of sequence, the explosion occurs at the wrong time. The improper timing of the explosion sometimes pushes the cylinder the wrong direction or interferes with the turning of the crank. As a result, the engine stutters or backfires, if it runs at all.

U0988 Code Meaning :

U 0 9 8 8
OBD-II Diagnostic Network (U) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Injector Circuit Malfunction - Cylinders Ignition/Distributor Engine Speed Input Circuit Malfunction Clutch Position Sensor Circuit Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

U0988 OBD-II Diagnostic Network (U) Trouble Code Description

U0988 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For U0988 Code

The reason of U0988 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

U0988 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.