Go to auto zone and have the codes read free.
You can use a code reader, go to auto zone as stated, or do a manual check by counting the code read out on the check engine light. It tells you how to do this in the work manual for that vehicle. You can get the manual for around 12 bucks at most auto parts stores. After you have the code you can then find the source of it.
Map sensor fault
no
No.
No.
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
No. A 1998 Dodge does not have a reset button or kill switch.
will a 1999 voyager brain work for a 1998 dodge caravan
Yes.
Apparently, according to a Dodge retailer, the computer on the 1998 Caravan can't get reprogrammed (the EPROM is not flashable). A new one is necessary...
It was an option.
5x100mm
pull the fuse