How to Find Out Which Engine You Have in a 1991 Toyota Corolla

The 1991 Toyota Corolla came with only two variants of the 1.6-liter engine. In all sedans, the wagon and the SR5 coupe, this engine made 102 horsepower. In the GT-S coupe, the same engine was tuned to produce a significantly higher 130 horsepower, although the engine capacity remained at 1.6 liters. So, all you need to do to know what engine a 1991 Corolla has is to check if it is the GT-S variant, which has a few unique visual traits.

Instructions

1

Check the title. The 1991 Toyota Corolla came with only two variants of the same engine. The basic 1.6-liter, inline four-cylinder engine was found in all Corollas and produced 102 horsepower in all sedans, wagons and the SR5 coupe. Only in the GT-S coupe did the same engine produce 130 horsepower, as a result of better breathing and modified engine-management systems. The capacity still remained 1.6 liters. So, if the vehicle title says just Sedan , DX Sedan or LE Sedan; DX or SR5 wagon; or SR5 Coupe, you have the basic 102 horsepower engine. The words "GT-S Coupe" in the title indicate the presence of the stronger 130 horsepower engine.

2

Inspect the vehicle. Take a look at the car. If it has four doors or is a wagon, it has the basic engine. If it is a two-door coupe, however, look for the words "GT-S" on the side of the vehicle. The GT-S model came with a painted strip at the bottom of the door, which clearly spelled out "GT-S." If you see this painting, you have the 130 horsepower, more powerful engine variant.

3

Check under the hood. If the doors have been changed or the painting removed, open the hood and look for the three-letter acronym TRD, which stands for Toyota Racing Development. This notation was found on the tower strut brace, which is the brace that connects the two bumps under the hood on each side. These bumps contain the suspension underneath. The engine is cradled between these bumps (at least the back of the engine is). In GT-S models with the more powerful engine, the beam that goes across the bumps will feature three large letters that read TRD.