The #4 and #5 were not as bad, but they were fouled. I recently put about 7 bottles of the "STP" fuel injector cleaner in my car on an almost empty tank. I drove around until it was really near empty. Was that a good idea?? I mean that was a super duper concentrated mixture.
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
Monochromatic Paint (Custom Blue)
Flat Badged (front)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS