1994 Toyota Tercel Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1994 Toyota Tercel
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1994 Toyota Tercel ProblemsCheck Engine Light Due to Restricted EGR System
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 also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.
At higher mileages, an anti-lock brake system wheel speed sensor may wear out and illuminate the ABS warning light. It is recommended to replace the sensor with a factory part and be sure to clean all rust and debris from the mounting area because the mounting distance is critical. Failure to do so may result in the new sensor setting false trouble codes. Be sure to check the condition and runout of the front wheel bearings on the 2WD and 4WD vehicles and the CV joints on the 4WD vehicles since worn wheel bearings and/or CV joints can cause the ABS trigger rings to rub against the ABS sensors and damage them.
At higher mileages, (125,000-150,000) the automatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled.
1994 Toyota Tercel QuestionsGot thermostat replaced. Now engine runs quite a bit warmer than before. Is this normal, will it hurt my engine? (3 answers)
It always for the past 23 yrs ran cool with the heat indicator needle near C. Never over heated until last week. With new thermostat, engine heat indicator needle runs consistently just below 1/2 way. This is quite a bit warmer than usual. Is it normal for a new thermostat to be this much differe...
When I bought the car it had a miss, after replacing plugs wires cap and button. After 50-75 miles it starts missing again so from left to right I pulled the plug wires and the 4th didn't seem to make much difference, so I pulled the plug and it was very wet. now after replacing the plug and ...