New to this site. And very much a newbie at maintaining cars, so I don't know anything about trouble codes and the like.
I am the proud owner of a 1986 oldsmobile cutlass ciera, handed down to me from other family members. Love it. 2.5 liter 4 cylinder engine as far as I know. A rebuilt engine was installed I think in 1999.
I've noticed that it stalls when it's hot and humid out. It happened once last year, and twice this year (both in the last month.) The first time, it stalled after a 1 hour drive in hot summer weather (90s or so). It stalled briefly when I was stopped, but it restarted immediately (which was good as I was on a bridge.) Today, it did the same thing. I had driven it to a town an hour north of where I live. 10 minutes into the drive home it sputtered and stalled while driving. After about 20 minutes by the side of the road it started fine and ran beautifully all the way back.
I've been hunting around online, and it seems there are a number of possibilities. IAC valve, MAP sensor in particular come to mind.
Any ideas? ANY help would be appreciated.