Blogs: AFR Sensor

Manufactured to detect the amount of exhaust gas air fuel ratioConstructed from durable materialFeatures zirconia solid electrolyteHighly accurateEasy.

Ideal AFR and EGT monitoring tool for EFI and carbureted applications, and engine dynamometers; Does not oscillate AFR reading like narrow band sensors; No laptop required for monitoring; EGT sensors sold separately; Detects AFR sensor ...

All you really need is an Uprev tune. Headers make a huge difference on this truck, you should notice a lot more performance. Your AFR is probably way off and you need a good custom tune .... Without answers to the questions above, I would guess that post header install, you mixtures are jacked up; most likely due to O2 sensor placement and/or connection and/or functionality and/or existence in your system. Being an 07', your rear O2 sensors are very critical. ...

The MAF sensor then outputs an analog voltage signal to the PCM proportional to the intake air mass. The PCM calculates the required fuel injector pulse width in order to provide the desired air/fuel ratio. If the sensor is bad than ...

Innovate Motorsports 3806 LM-2 Digital Air/Fuel Ratio Wideband Meter 1 O2 Sensor and OBD-II Scan Tool Description: The LM-2 combines an (Single Wideband) air/fuel ratio meter, a full-function 32-channel datalogger, and powerful software ...

Denso 234-9120 Oxygen Sensor (Air and Fuel Ratio Sensor) Feature. Manufactured to detect the amount of exhaust gas air fuel ratio; Constructed from durable material; Features zirconia solid electrolyte; Highly accurate ...

What kind of KR are you seeing with those tunes? If you're seeing little to no KR and the truck feels strong, then you might have a fault sensor. If that AFR is correct and you're getting no KR, you might have a faulty knock sensor. ...

So Now what? I used the return line to drain my tank and it flowed freely so fpr ok? injectors being clogged make it leaner? Boost Leak=Leaner at WOT Get this at wot throttle no knock afr 11.0-11.3 which is a little rich but ok. Any idears ppl? .... fix the o2 sensor and fuel trims first tho, thats pretty important. the mid fuel trim will screw with your WOT tuning. Adjusting biss takes 2 seconds tho for a quick fix of the stalling issue & idle rpm neutral. ...