my car is an 88, it has been running like shi# fro the past month, does not idol right wants to die sometimes, backfires sometimes feels like it may be running on 7cy sometimes. just does not feel strong as it use to. what could this be......i have done the following, tune up awhile ago, o2s today, cleand the TB and all that good suff but yet no change
i took it to a garage and they said they could not get my computer to communicate with the scanner.why???