Tuffy Tire & Auto Service Center - Grandview
1524 W 5th Ave
Columbus, OH
Closed
Opens 8:00 AM Thu
Excite Auto Repair & Towing
3430 Westerville Road
Columbus, OH
Closed
Opens 9:00 AM Thu
All In Auto Service
5200 Fisher Road
Columbus, OH
Closed
Opens 8:00 AM Thu
its not showin any codes
A diagnostic test only starts with reading codes. A 1991 vehicle is very limited in diagnostic codes compared to a current year model. Some good manual testing of fuel pressure, air flow, monitoring oxygen sensor performance and barometric pressure is a good start.