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1991 Toyota Pickup Problems

Find the most common issues based on 1991 Toyota Pickup owner complaints.
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Most Common 1991 Toyota Pickup Problems

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 b...
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.
At higher mileages (125,000 -150,000) the power steering pump may begin to leak on the 6 cylinder vehicles and could require replacement.
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2 Known 1991 Toyota Pickup Brakes Problems

It is very important that the rear level sensor is properly bled after any brake work or the rear brake stopping efficiency may be compromised.
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.

1 Known 1991 Toyota Pickup Drive Train Problem

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 b...

1 Known 1991 Toyota Pickup Electrical & Lights Problem

If the vehicle will not crank over, the most common problem is the starter, which tend to fail at about 100,00-125,000 miles. Sometimes it is only the starter solenoid contacts, but often the compl...

3 Known 1991 Toyota Pickup Engine Problems

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.
The timing chain can develop a rattling noise caused by failing timing chain guides. This is often due to extended mileage intervals between oil changes that allows the oil to become dirty and abra...
The Ignition Coil wire insulation is often rubbed through by the Primary wiring harness which will cause a stalling/no-start condition. The coil wire will need to be replaced and the primary harnes...

2 Known 1991 Toyota Pickup Exhaust & Emissions Problems

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 temperat...
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 ...

1 Known 1991 Toyota Pickup Heating & Air Conditioning Problem

Usually by 150,000 miles the AC system will need some attention, especially in climates where it is used often. Our technicians tell us that it is best to service the AC system every 2-3 years. Thi...

1 Known 1991 Toyota Pickup Maintenance Problem

We recommend flushing the brake fluid every 60,000 miles because the fluid can become dirty and may cause problems in the brake system such as premature failure of the master cylinder or wheel cyli...

1 Known 1991 Toyota Pickup Miscellaneous Problem

Our technicians report that by 100,000 miles, the ignition key tends to wear out and should be replaced or it may not work as well in the door locks or ignition lock cylinder.

2 Known 1991 Toyota Pickup Suspension & Steering Problems

At higher mileages (125,000 -150,000) the power steering pump may begin to leak on the 6 cylinder vehicles and could require replacement.
At higher mileages (125,000-150,000) the input shaft seal to the power steering gear may leak. It is recommended to replace the steering gear with a quality rebuilt or new unit rather than attempt...

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Known 1991 Toyota Pickup Problems & Complaints

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.
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 b...
Usually by 150,000 miles the AC system will need some attention, especially in climates where it is used often. Our technicians tell us that it is best to service the AC system every 2-3 years. Thi...
Our technicians report that by 100,000 miles, the ignition key tends to wear out and should be replaced or it may not work as well in the door locks or ignition lock cylinder.
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 ...
If the vehicle will not crank over, the most common problem is the starter, which tend to fail at about 100,00-125,000 miles. Sometimes it is only the starter solenoid contacts, but often the compl...
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 temperat...
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.
We recommend flushing the brake fluid every 60,000 miles because the fluid can become dirty and may cause problems in the brake system such as premature failure of the master cylinder or wheel cyli...
The timing chain can develop a rattling noise caused by failing timing chain guides. This is often due to extended mileage intervals between oil changes that allows the oil to become dirty and abra...
At higher mileages (125,000 -150,000) the power steering pump may begin to leak on the 6 cylinder vehicles and could require replacement.
The Ignition Coil wire insulation is often rubbed through by the Primary wiring harness which will cause a stalling/no-start condition. The coil wire will need to be replaced and the primary harnes...
At higher mileages (125,000-150,000) the input shaft seal to the power steering gear may leak. It is recommended to replace the steering gear with a quality rebuilt or new unit rather than attempt...
It is very important that the rear level sensor is properly bled after any brake work or the rear brake stopping efficiency may be compromised.
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