Most Common Car Issues
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MOST COMMON PROBLEMS
TOYOTA Supra 1989
The 1989 Toyota Supra is a classic hatchback featuring a 3.0L inline-six engine with electronic fuel injection, manufactured by Toyota. With a 7M-GE engine, dual overhead cam (DOHC) design, and manual seat belts, this Japanese-made sports car is a prime example of Toyota's engineering prowess from the late '80s.
Spec:
Engine Configuration
In-Line
Engine Manufacturer
Toyota
Engine Model
7M-GE
Engine Number of Cylinders
6
Other Engine Info
Electronic Fuel Injection
Problems:
Head gasket failure
The 7M-GE engine is notorious for head gasket issues, often due to insufficient factory torque specifications.
Oil consumption
High oil consumption can occur due to worn valve stem seals or piston rings, leading to excessive oil burning.
Overheating
Overheating problems can arise from issues with the cooling system, such as a failing radiator, water pump, or thermostat.
Crankshaft position sensor failure
The crankshaft position sensor can fail, causing issues with engine timing and leading to poor performance or stalling.
Timing belt wear
The timing belt may wear out or break if not replaced at recommended intervals, leading to potential engine damage.
Fuel injector issues
Fuel injectors can become clogged or fail, causing poor fuel delivery and engine performance problems.
Idle control valve malfunction
The idle control valve can fail or become clogged, leading to rough idling or stalling.
Vacuum leaks
Vacuum leaks can occur in various hoses and gaskets, leading to poor engine performance and fuel economy.
Ignition system problems
Issues with spark plugs, ignition coils, or the distributor can cause misfires, rough running, or starting problems.