Not certain why you may intend by saying the O2 sensor is bypassed? The sensor is still in the manifold and still sending a mv signal to the computer. If the mixture is lean the voltage drops and if rich the voltage rises. The computer will increase injector pulse width to spray more fuel when the O2 sensor is reading lean. That is, if unusually lean for example due to >10% ethanol. Fuel flow will increase up to either the limit of the computer software, injector size, fuel pump/line/filter capacity.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Product Review: JB Weld - by Staff. JB Weld is basically an epoxy glue that does an exceptionally good job of bonding to cast iron and steel along with several other materials. As I mentioned, it is so common that I have yet to buy a tractor that did not have JB Weld used somewhere. It is sometimes used so well you can't tell its there and other times used as a sloppy quick fix. Finding where and how it can be used correctly is key to whether you are using it as an "inelegant hack" or an integral solution to difficult and expens
... [Read Article]
Latest Ad:
WANTED Front grille/nose assembly for Massey Ferguson 1160 (also fits 1180 & 1190). Headlight-mount section. AGCO Grille 3706022M91 (supersedes 3705942M91), cover 3705494M1/M2, holders 3705501M91/3711158M92. New/NOS/good used OK. Jonesboro, AR - will pay shipping. Photo appreciated. Thanks
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.