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SVTPerformance's Chain of Restaurants
Tuning À la carte
Very weird issue with widebands on single Coyote
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<blockquote data-quote="fulanititoo8198" data-source="post: 15315435" data-attributes="member: 23013"><p>SCT</p><p></p><p>My set up is a single turbo with two 02 sensor bungs in the downpipe. One is for the OEM (passenger side) wideband sensor and the other for my AEM wideband sensor. The oem driver wideband is unplugged/not used and turned off in the tune. </p><p></p><p> The issue is in livelink at wide open throttle ONLY the STFT stops working and seems to freeze at a value of 1.00. As soon as I let off the sensor immediately begins to oscillate again. The lambda reading works just fine. </p><p></p><p>I've tried new sensors, changing tunes several times, returning to stock, and checked the wiring several times. I did not use extensions, I simply pulled the wiring from the harness and extended one wire which was too short. I soldered it securely it in place. </p><p></p><p>The weird part is that the only way that it will work is if I reconnect the second (drivers) wideband sensor back into the downpipe even though it is turned off in the tune. </p><p></p><p>So right now my only solution is to have another bung welded into place which is a hassle and I really don't want 3 widebands. Looking for any ideas before I have to pull the downpipe to get welded, coated, and rewrapped.</p></blockquote><p></p>
[QUOTE="fulanititoo8198, post: 15315435, member: 23013"] SCT My set up is a single turbo with two 02 sensor bungs in the downpipe. One is for the OEM (passenger side) wideband sensor and the other for my AEM wideband sensor. The oem driver wideband is unplugged/not used and turned off in the tune. The issue is in livelink at wide open throttle ONLY the STFT stops working and seems to freeze at a value of 1.00. As soon as I let off the sensor immediately begins to oscillate again. The lambda reading works just fine. I've tried new sensors, changing tunes several times, returning to stock, and checked the wiring several times. I did not use extensions, I simply pulled the wiring from the harness and extended one wire which was too short. I soldered it securely it in place. The weird part is that the only way that it will work is if I reconnect the second (drivers) wideband sensor back into the downpipe even though it is turned off in the tune. So right now my only solution is to have another bung welded into place which is a hassle and I really don't want 3 widebands. Looking for any ideas before I have to pull the downpipe to get welded, coated, and rewrapped. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Very weird issue with widebands on single Coyote
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