What does upstream O2 sensor plug into?
The upstream oxygen sensor is situated before the catalytic converter whereas the downstream oxygen sensor is located after the catalytic converter. The upstream sensor monitors the level of pollutants in the engine’s exhaust and sends this information to the ECU that continuously adjusts the air-fuel ratio.
How do I bypass the downstream O2 sensor?
To get around this, you can bypass the rear O2 sensor by generating a false sensor reading using a dummy O2 sensor.
- Jack up the front of your vehicle using the floor jack.
- Place a jack stand under each of the front pinch welds and lower the vehicle onto the stands.
- Climb under the vehicle and locate the rear O2 sensor.
Which is the best plug and play ECU?
If you are after a simple plug-and-play engine management upgrade option and your car still has its original engine and wiring in it, a Platinum Series Pro Plug-in ECU provides the easiest and quickest solution.
What’s the best way to wire in an ECU?
There are many ways to wire in your ECU. In this article we will cover the six most popular options available from Haltech. If you are after a simple plug-and-play engine management upgrade option and your car still has its original engine and wiring in it, a Platinum Series Pro Plug-in ECU provides the easiest and quickest solution.
Where are the connectors on an ECU Haltech?
Each Terminated Engine Harness is made to suit a specific engine and comes terminated with ECU connectors at one end and all engine connectors at the other. All your factory connectors are labelled, crimped and terminated at exactly the right length. Also included is an ignition harness and all the connectors needed to get you up and running.
What happens when you replace an ECU with a new one?
Replaced ECU with another one, ECU now talks to vag-com. Coded it in, still throws the same code. Put original ECU back in, worked for a few starts, then nothing again. Replaced with new one because it spoke to vag-com.
https://www.youtube.com/watch?v=BGCZ6prwinc