Originally Posted by GMKILA
hey guys i hace an eb 5.0 has done 170,000 k's engine is stock besides air filter and exhaust but i only get 300-350k's to a tank if i'm lucky i only put bp ultimate in it does anyone have any idea's how to fix it? i have changed all sensors already.
is that around town or highway milage, i get 330-350 around town and 550-570klm on the highway, thats with 4.11 diff gears and 3200rpm non lock up convertor. have some one check the condition of your oxygen sensors and all earth points , battery , block etc make sure you check the earth wire on the last intake manifold bolt near the fire wall on the passenger side this is the oxygen sensor earth. a bad earth will make the computer think the engine is lean so it will try to compensate.