1992, not 1996. Transmission slips when reversing a

Hello, neutral and not shifting properly? Transmission related. I do not see any EGR influence in those concerns. Hands on testing is needed. In a vehicle made before 1996, diagnostic testing relays on break out box usage, circuit testing and various tests within the transmission. Are you getting any trouble codes set OBD-I? Shaking at speed and idling rough - this is engine performance related, such as spark plugs, ignition wires, distributor cap and rotor, things of that nature. https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.