If you have noticed that your vehicle is running irregularly or that the engine sounds rough there might be a problem with your oxygen sensor. O2 oxygen sensor.
O2 Sensor Location Factory Five Racing Forum
Fitech o2 sensor problems. Our folks have several options from basic to completely trick. Fitech recommends using a replacement sensor from a 2001 2004 vw beetle upstream o2 sensor. Top 5 auto repairs 25692 views. Fitech offers these oxygen sensor bungs that allow the use of wide band o2 sensors but dont require welding. Fitech fuel injection has been supplying automotive products specifically fuel injection products since 2012. We are leading providers of fuel systems and ultra ram sbc efi.
Fitech efi tuning forum electronic fuel injection tuning for automotive applications. If the light comes on again locate the short to voltage in the wiring harness with the relay removed. 5 symptoms of a bad oxygen sensor and o2 sensor is failing duration. This is a forum where users share their knowledge and information about maintaining and tuning the ready to run fitech fuel injection kits to squeeze the best performance and economy out of their engines. When the mixture in your car oxygen and fuel is too lean or too rich the engine becomes less efficient. Fitech currently uses a bosch lsu 42 oxygen sensor also referred to as an o2 sensor.
Fitech idle afr fluctuation problem duration. If the o 2 sensor heater circuits negative wire goes directly to ground look for a short to power problem. End users can tweak the tune through this hand held controller in the pro tuning option. Remove the relay and retest the circuit. Upstream is located before the catalytic converter. From there the self learning ecu keeps the airfuel in trim.
Usually the heater circuit in this case is controlled by a relay. We reach almost all horsepower endeavors.