Questions & Answers for: vortec gas mileage

...vortec I"ve changed plugs and wires, new coil, new O2 sensers and newmass air flow senser. It still has a miss and it's KILLING my gas mileage. give some details like how much your car had run in ...

...gas (vortec really needs premium to run clean)

Temporary (maybe) fixit: good FWACK o the EGR valve housing with a rubber mallet. it may get you back on the road again- but its gunked, needs to ...

vortec 4L80E and 4.10 gears.Iget 9 MPG Iwould like to get better gas mileage and more performance.[where do i start]. I have the same engine. I installed a banks powerpack on it and now I get about 14

...gas smell and idles rough. 93 chevy blazer 4.3 vortec 6 cyc. did tune up. no change. look at the fuel lines and injectors for signs of leakage. A lot of the v6 vortec's have had a problem with the ...

they need changing. I hope this helps. Ford Vortec recommends every 50,000 miles or so,I say that would be a good time for all vehicles.Makes your car start easier,keeps up gas mileage,all things good

...vortec is wasting WAY too much gas yes the gas pump is failing does that have alot to do with my problem??? No, a weak fuel pump would starve the engine for fuel, causing better fuel mileage. If the ...

...vortec and I noticed that when I use the A/C the heat gauge runs about 210. The water pump seems to be ok 210 degrees (thereabouts) is the normal operating temperature on this engine. A lower ...

...vortec get bad gas mileage I'm only getting 225 miles to a full tank I would replace both o2 sensors and take the mass air flow sensor off and clean it with a non-chlroated brake cleaner.Also a ...

...vortec and you can smell gas fumes and has horrible gas mileage. Would could I try? Check fuel pressure. I'm betting it will fall like a rock once the vehicle is shut off. Typically the fuel ...

...vortec getting horrible gas mileage why??? my 94 chevy s10 pickup 4.3 l vortec is getting horrible gas mileage around 10 mpg and it is leaking coolant it was running hot before so i replaced water ...