1994 Toyota Supra Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Toyota Supra

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1994 Toyota Supra Problems

Check 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.

Engine Stalling When Warm

At higher mileages (125,000+) the Engine Coolant Temperature Sensor may intermittently stop working, especially when the vehicle is fully warmed up. This can cause the engine to stall unexpectedly.

AC blowing Warm Air

The AC Expansion Valve may develop a very slow leak or allow too much refrigerant flow which reduces cooling. Our technicians tell us that Toyota makes an updated expansion valve to resolve these problems if and when they occur.

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1994 Toyota Supra Questions

how to fix a 1994 supra manual transmission rattle? Any help will be great!!!!!! (1 answer)

its a 1994 supra 3.0L 6 Cylinder Turbo it happens after i drive for a while then when i stop with the clutch in it rattles and the throw out bearing is only two years old so i don't think that's the problem!!! any help would be appreciated thanks

My car does not idle correctlly (1 answer)

I had my old supra motor replaced with a less used engine from Japan. Ever since the replacement the engine seems like it need to be tuned up or something. It does not idle correctly and the car sometimes seems like it is shivering while it is in park. What can I do about this problem?

Cost to replace transmission? (1 answer)

Would like to know what the cost would be to replace my transmission.

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