B0704 Audi 5000 OBD Code

OBD/2 B0704 error code description and symptoms.

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

B0704 Audi 5000 Error Code Repair Process :

For elc system 2 fault check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. B0704 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks elc system 2 fault with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Audi 5000 B0704 OBD2 Code

A common cause of code B0704 is the failure of ELC System 2 Fault, but there are several other possible causes as well, such as ;

Dirty Oil
Damaged camshaft position (CMP) sensor
Faulty spark plug (s)
Faulty starter motor

B0704 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

B0704 Audi 5000 OBD Code

B0704 Audi 5000 Error Code Repair Process :

Common Causes of Audi 5000 B0704 OBD2 Code

B0704 code for other Audi cars