1991 CHEVROLET CAPRICE User Comment / Complaint

Tl contact owns a 1991 chevrolet caprice. while driving 5 mph and accelerating, the vehicle made a tapping noise. after checking the oil, the contact noticed a cream colored foam on the gauge stick. the mechanic stated that the intake manifold was not positioned properly and needed to be replaced. the manufacturer stated that the vehicle was operating normally. the intake manifold gasket was replaced three times. after changing the type of fuel he put in the vehicle, the contact noticed a slight improvement. the current mileage is 93,400 and failure mileage was 48,000.