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Resources for the Repair and Maintenance of your 1993 Toyota Supra

1993 Toyota Supra

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1993 Toyota Supra Problems

Exhaust & Emissions -- Verified

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...

Drive Train -- Verified

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.

Exhaust & Emissions -- Verified

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.

Maintenance -- Verified

Our technicians tell us that it is important to change the coolant with factory coolant and replace the thermostat every 60,000 miles. This will help to protect the head gasket, otherwise the head gasket can deteriorate and be stressed to the point of failure.

Maintenance -- Verified

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

1993 Toyota Supra Questions and Answers

Visitor, 1993 Toyota Supra, Chico, CA

1st 2nd and 3rd gear work fine but once it get to 3rd gear it just stuck there like the car is stuck on overdrive or the manual button. I try the overdrive and manual button but it still does nothi...

2jzge_junior, 1993 Toyota Supra, 3.0L 6 Cylinder, Junction City, KS

I took it in to get engine light checked out and it gave me a couple of codes to include DTC:41 TPS Circuit. I replaced the TPS but it keeps doing the same thing. It feels like it's not gett...

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