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B1788 Engine Trouble Code

B1788 Engine

When you check engine light came on code B1788 the reason should be . However your vehicle's manufacturer may have a different definition for the B1788 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1788 code can be about changing a broken oxygen sensor can lead to a busted catalytic convertor which can cost upwards of $1,300. Taking your vehicle into a service shop will cost you around $300 depending on the vehicle. But, an oxygen sensor is easy to replace on many vehicles and is detailed in the owner's manual PDF or in our website. If you know where this sensor is located, you only have to unclip the old oxygen sensor and replace it with a new sensor. Regardless of how you approach it, you should get this fixed right away.

B1788 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine
1
Fuel And Air Metering
7
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
8
Cylinder 1 Injector Circuit Low
8
Timing Reference High Resolution Signal A Too Many Pulses

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

B1788 OBD-II Diagnostic Body (B) Trouble Code Description

B1788 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses. Throttle/Pedal Position Sensor/Switch A Circuit Intermittent and Cylinder 1 Injector Circuit Low causes most of code B1788.

Reason For B1788 Code

The reason of B1788 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

B1788 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 in your car.

How To Repair B1788 Code

Before starting let's see B1788 repairing process steps:

  • Qualified technicians will begin by using a scan tool to access B1788 code stored in the ECU.
  • Technicians will note B1788 code present and any freeze frame data associated with them.
  • After all, if you sure the engine trouble is finished, the code will be cleared.

All functions are tested, lights, gauges, central display and warning functions. Once the unit is identified as faulty, we then move onto the rebuild stage. Each unit is fully stripped, all common failing components are then replaced with versions that are higher rated than standard. Once the rebuild is complete, we then retest the instrument cluster to ensure it functions in accordance with the manufacturers original specification.

B1788 code is stored again, the mechanic will perform a visual inspection of the pressure control solenoid and related systems. If any circuits or connections are damaged or loose, they will resolve these issues and move on to retest the system.

Sometimes B1788 code comes with B178800 code.

Diagnosis Of Engine Error OBD Code B1788

It's essential to diagnose this trouble code. Then are some way which a handyperson should follow for diagnosing the problem that started a B1788 trouble code to be stored

The first step is introductory and is about reacquiring all the canons that have been set. For this, the individual scanner will have to be plugged into the individual harborage of your vehicle. Make sure you indurate frame the data. Any canons that were set previous to the B1788 code will have to be sorted first, as they may have been the reason for the law to set in the first place. It's always good to rule that out.
The coming step is to run a introductory examination of all the electrical circuits, connectors, wiring etc for damages similar as becks, erosion, fraudulent legs etc. All of these will have to be repaired or replaced. After that's sorted, clear the canons and go on a test drive to see if it resets. In case it resets, you'll have to continue your opinion. Depending on your vehicle you may have a vacuum operated selector or a vacuum solenoid if it's electrically actuated. In the case of the former, a hand held vacuum pump will have to be used to testit.The purpose is to see if the internal stopcock is getting turned by the selector, motor or solenoid. In order to do this, a command can be transferred to the system with scanner or by driving the vehicle under the special conditions that will spark the system. While this is passing keep an eye on the checkup tool data for the result.

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