On another type of vehicle that I had, I removed the alternator and found a data plate which had the rating on it. You can never go wrong by putting a heavier duty one (140)then what is installed as it allows for more accessories to be run. Your call. Hope this is off some assistance to you.
You need to hook the computer up to a scan tool to read the codes. That will tell you why the light is on.
Could you please tell me if a 1997 Chevy Venture has a heater control valve and if possible the location of the valve.
On your 1999 Chevrolet Venture, the Flasher is located: Below the instrument panel, left of the steering column.
It is stamped on it. Look at it real close.
Refer to your owners manual, it will tell you what type of oil and how much oil to add. Of you lost your manual just use google it works just as good, believe me.
One of them is 112 inches from axle to axle. The other one is 120 inches from axle to axle.
You can tell if the transmission, in your 1998 Chevy Malibu, is going bad. If there is a whining or clunking noise. The transmission might cause your engine to install when you are stopped with your foot on the brake.
Have a fuel pressure test run.
It is behind the headlight on some cars.
Check your owners manual, it will tell you in that.
Look on the stick where the driver's door closes that shows the gross vehicle weight, etc. It will tell tire size and recommended pressure.
Check the timing.