Table 1 shows 13 common engine and engine cooling related problems of the 1999 Oldsmobile 88. The number one most common problem is related to the manifold/header/muffler/tail pipe (twelve problems). The second most common problem is related to the gasoline engine (seven problems).
The contact owns a 1999 Oldsmobile 88. The contact stated that while traveling 55 mph, the check engine warning light illuminated as the engine overheated. The vehicle was towed to the dealer who confirmed that the failure was caused by a hole that had melted in the intake manifold, causing coolant Read details...
I have replaced the plenum in my 1999 Oldsmobile 88 twice now!!! I have a 3800 motor in it with 107,000 miles on it. I have talked to many people that have had to replace their plenums also and my mother had to change hers with 40,000 miles on her car! the plenum is made of plastic and is junk!!! Read details...
I experienced stalls and power surges. Dealer replaced fuel pressure regulator due to recall. Six months later car reached extremely high temperature then died. Mechanic replaced cracked plenum. Gaskets, pipes, assembly, seals and sensor resulting in $1234 repair bill. Read details...