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U2997 Engine Code Repair

Meaning of U2997 engine trouble code is a kind of network trouble code and U2997 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.

U2997 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 U2997 code is occuring now you should check U2997 repair processes.
Now don't ask yourself; What should you do with U2997 code ?
The solution is here :

U2997 Possible Solution:

U2997 Engine

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.

U2997 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

9
Engine Oil Temperature Sensor Malfunction

9
Ignition/Distributor Engine Speed Input Circuit Malfunction

7
Ignition Coil A Primary/Secondary Circuit Malfunction

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

U2997 OBD-II Diagnostic Network (U) Trouble Code Description

U2997 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.

Main reason For U2997 Code

The reason of U2997 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U2997 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.