Having a problem with my '99 4.6l Expy, no check engine light, but hesitation @ 45-50 mph(1500 rpms). Took it to autozone, no codes showed up on scanner. Plugs ,wires and fuel filter all new since fall '03. 90,000 miles, any ideas???? Thanks!
How many members based their choice of oil on marketing before finding BITOG?? Examples---Arnie Palmer w/Pennz or one oil bottle looks "COOLER" than another.....
Last two UOA's done on my wifes Maxima have sheared down to 20wt within 3k. Is this a given or are there xw-30's (OTC dino)out there that will stay in grade for 3k?? I've noticed the "High Mileage" oils start at a higher 30wt,is this the best option?? By the way, the oils mentioned above were...