The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is al...
Resources for the Repair and Maintenance of your 1991 Toyota Tercel
1991 Toyota Tercel
1991 Toyota Tercel Problems
If the vehicle will not crank over, the most common problem is the starter, which tend to fail at about 100,00-125,000 miles. Sometimes it is only the starter solenoid contacts, but often the complete starter (including solenoid) needs to be replaced.
Over the time the exhaust gas recirculation (EGR) system may become plugged with debris, the oxygen sensor may also be getting slow or 'lazy' around this time. When servicing or cleaning the EGR system, it is a good idea to replace the oxygen sensor because it works in tandem with the EGR system.
The engine mount on the passenger side of the car can wear out on cars with high mileage. This will put extra stress on the other mounts and the faulty mount will need to be replaced
It is important to regularly check the valve clearance as the exhaust valves may become too tight. This will lead to valve failures, which are expensive to repair.
1991 Toyota Tercel Questions and Answers
The loudness continues. It is as loud as a truck. It gets louder when i press the gas pedal / accelerate or go faster.
is there a child saftey lock i don't know about
i need to go for emissions and my co2 levels were to high and i failed emissions the first time, they suggested a tune up and because the car has been driven in numerous occasions by previous owner...
changed head gasket and timing belt ,now no spark