U0188 Chevrolet Niva Diagnostic Trouble Code
U0188 Chevrolet Niva code definition:
U0188 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Chevrolet Niva.
U0188 Chevrolet Niva is defined as Camshaft Position Sensor A Circuit Low. This means the CMP (camshaft position) sensor circuit on engine bank 1 sends an irregular reading. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.
Symptoms
Symptoms of a U0188 Chevrolet Niva diagnostic trouble code may include:
- Possible spark knock (detonation / pre-ignition)
- Poor fuel economy
- The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
- The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
|
Possible Causes :
- Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
- Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
- Defective ECU strategies or components will prevent proper regeneration
|
Common Misdiagnoses
- TP Sensor Learn Not Complete Problem
- Low Coolant Circuit Problem
- Cruise Control System - Vehicle Accel Too High Problem
- TFP Valve Position Switch-Drive Without Drive Ratio Problem
- Problem
Repair Processes :
Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.
If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for.
Process Tips
Diagnostic trouble code U0188 Chevrolet Niva is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before U0188 Chevrolet Niva.
Fortunately, U0188 Chevrolet Niva is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
Diagnostic Trouble Code look-up and check engine light code viewer.
About Us | Contact | Privacy
Copyright 2024 - https://DiagnosticTrouble.com
![Small Logo](https://diagnostictrouble.com/images/logo.png)