1991 Toyota Celica All-Trac Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Toyota Celica All-Trac
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1991 Toyota Celica All-Trac 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.
On vehicles with a manual transmission, worn shift bushings can cause the transmission to pop out of gear, especially when coasting down in 1st or 2nd gear. Replacing all the shift linkage bushings is pretty straight forward and not expensive and will commonly correct this concern.
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.
1991 Toyota Celica All-Trac QuestionsOil inside spark plug tubes. (1 answer)
I just bought a 91 celica all trac, and was going to do a tune up. I pulled one of the spark plug wires out of the hole or tube and it was covered in oil. Is this an expensive fix?
CHANGED COIL PAK