Installing this AFR meter is the perfect example of "Be careful what questions you ask, you may not get the answer you expect ". Mine is hooked up to my upr x pipe. There are some enthusiasts that will over react under certain driving conditions because they don't know how to interpret what their wideband gauge is telling them. Bad AEM Wideband Symptoms. Even though mine wont scale below stoich mine doesnt keep flashing --- like yours is unless im off the accelertor. Wideband 02 reads funny, did i install it wrong. I have no idea so any help at all would be good help. I don't see any exhaust leaks.
Here's the link for the adapter/spacer: Making a WB Sensor Spacer for ~$9. 02s say lean as well. If everything looks good, then you can try calibrating the gauge or testing the O2 sensor. There's been many confirmed reports of that Bosch sensor being a direct replacement for the one used with the AEM UEGO. Installing an AEM wideband is a relatively simple process, and the benefits that it provides are more than worth the effort. Wideband AFRs reading out 18:1 at good times. Also with my new exhaust, it doesn't have an extra o2 bung anyways. I assume my AEM is not calculating correctly. I checked all the wiring, removed it from the vehicle, wiggled it, didn't make a difference. The sensor is installed in the exhaust system, and it measures the amount of oxygen in the exhaust gas. Received 2 Likes on 2 Posts. Mine also bounces around at idle, and jumps around slightly when crusing (14.
Tell them you want a replacement and it better not be the same part number. Transmission: 5 Speed Manual T5 WC. LoverTechnologies "Half Broken Things! I did pull out in 2nd gear from a stop and it seems as though it is rpm/load based. That's why it's important to make sure your AEM wideband is always in good working condition and calibrated properly.
The fuel system also includes the part of the car that stores the gas. 0, Crane 2040, Pro-M 75mm Bullet, 65 mm TB, ported stock intake & E7TE heads, 24 lb injs., JBA shortys, cat X-pipe, A3M1 (GUFB strategy) w/Moates Quarterhorse, BE & EA, close ratio T5Z, 3. Correct me if wrong. Trader Rating: ( 3). It will go lean and then super rich then back to lean or hover around lambda. Thanks guys, I do think its the sensor so ill look at getting a replacement. The first step is to inspect the wiring. AEM UEGO Install. Am I really running this lean at idle. Around 130 sec and then around 230 sec. My SR20VET* Does your VTC gear rattle in your S14/15 SR? Southern California Area.
It would cause a lean condition IF it has not been tuned for it. How's that turbo setup workin out Brett? My personal preference is towards MAF since it's simpler. Would this indicate that I have a failing wideband sensor, or would incorrect injector dead times cause this? Aem wideband not working. Even called AEM and explained the issue, especially the gauge showing full lean at start up with sensor harness unplugged, instead of sitting at 14. Location: buena park. I have the same gauge in my track car and it is extremely useful, but its internal model assumes good combustion. Here's an idle log with a couple revs. 5, then up to 10, 10.
SOOO I contacted a buddy of mine that works at a auto shop, they looked up the bosch sensor they are using and guess what, its been discontinued for almost a YEAR now, and have a "revised replacement'. Aem wideband reading full lean to buildings. I have zero experience with AEM but it is a wideband. Ran perfectly for ~ a year. As some of you may know I recently got this installed and wired in. I used a different sensor and used the tail pipe adapter.
When I make manual adjustments and put it back to 34 it runs a lot better. I thought fpr possibly but thats fine. Well I got that done today and still nothing on the gauge?! But sensor tip is dry. It can cause inaccurate readings depending upon where the Lambda Sensor is located it should be near the collector at the end of the primaries. I swapped my Streetburner plenum and 65mm TB to a Track Heat with a 70mm tb. 1965 K code Convertible. Or could it be a bad connector on the gauge? AFR gauge reading completely lean. Confirming against another unit would be useful. Can you check the voltage the AEM is putting out? Matt Cramer -1966 Dodge Dart slant six running on MS3X. Next step, plugged in the sensor lead and powered on again; 14.
When I removed the rag it started to climb back to 17+ out of range lean. It didn't change at all by reving up, etc... My gauge was an AEM UEGO, connected to serial input on ECM, the ECM was also seeing 14. Thanks for the input though. Whipple 6lbs, uni filter, top speed headers, stmpo test pipe, cantrell exhaust. That's the only major downside i've heard about the AEM's, is that they sometimes don't last long. Quote Link to comment Share on other sites More sharing options...
9 which is normal for the low boost, running rich.. After a while, went out for a drive, give some gas. And, to Imo000's point, so far this only testing at idle on stands in my garage, but if the numbers are right, doesn't it show an issue of some type, whether lean idle causes real damage or not? It didnt have this problem before I swapped to a 8 an line and added the return. Installed it yesterday and it still does the same thing. 7, then increasing until off the scale.
I thought for sure the plx was bad. The WB's been installed and working in my daily driver for well over 2 years now... Somethin'. So i have the AEM 30-4100 wideband. 4. oh right, I remember Fast355 correcting me on that before. A lambda scale generally reads from 0. I used the cig plug wires to power the gauge. Can someone lead me to the right direction to diagnose this issue?
So i bought a new wideband sensor from summit racing.