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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel... Brake Seals Bulging 2021 Toyota Corolla LE 1.8l 65,000 mile...

fuel mileage Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting mikebough New User Dec 12, 2010, 4:04 PM Post #1 of 3 (1466 views) fuel mileage Sign In I have a 98 chevy silerado 4 wheel drive with a 5.7 litre engine. The engine has been recently rebuilt using all gm parts with all new wires and hoses and a new distributer.I changed both catalytic converters and two of the 4 o2 sensors because they showed up as a fault on the computer. the other 2 sensors don't show a fault but i'm only getting 12 mpg. Could these two be sending a high voltage but not high enough to creat a fault and this is telling the computer to enrich the fuel? Thanks Mike Hammer Time Ultimate Carjunky / Moderator Dec 12, 2010, 4:17 PM Post #2 of 3 (1460 views) Re: fuel mileage Sign In I don't know what your expecting........... That is right on the EPA rated mileage for that vehicle 1998 Chevrolet C1500 Pickup 2WD ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. (This post was edited by Hammer Time on Dec 12, 2010, 4:18 PM) Sidom Veteran / Moderator Dec 12, 2010, 6:44 PM Post #3 of 3 (1454 views) Re: fuel mileage Sign In Were you getting something different before? You know what one of the biggest and most overlooked factors in fuel economy is? Tire inflation. If you have a small car, drop the pressure to 15psi & push it a ways. Then air the tires up to the correct specs for the car and push it. It will be obvious what low inflation does to MPG.. Correct wheel alignment helps as well, even tread pattern will make a difference... (This post was edited by Sidom on Dec 12, 2010, 6:45 PM)   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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