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Isuzu Problems

RepairPal has identified the most common problems for 14 Isuzu models based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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119
Known Problems

The engine cooling fan may fail resulting in illumination of the Check Engine Light and a possible overheating condition.

One or both catalytic converters may fail resulting in illumination of the Check Engine Light. Replacement of the failed catalytic converter will be necessary to correct this condition.

The Check Engine Light may illuminate due to a failure of the secondary air injection system (AIR) system. Possible faults include the air pump, relay, solenoid, and 02 sensor. Our technicians recommend complete system diagnoses before replacing any parts.

 

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the PCM needs to be re-flashed, which is covered under the vehicle's emission warranty.

This vehicle is known to set false trouble codes, which causes the Check Engine Light to illuminate. To resolve the problem, the powertrain control module PCM needs to be re-flashed. This repair will be covered for a time under the vehicle's emission warranty.

The anti-lock brake system (ABS) warning light may illuminate due to a damaged wire harness near one or both of the front wheel speed sensors. Repairing the damaged wiring will be necessary to correct this concern.

 

A ticking noise may be noted from the engine valve train area. This is commonly caused by varnish build up in the hydraulic lash adjusters (HLA). Our technicians tell us that using Mobil 1 synthetic oil has been successful in cleaning the varnish deposits and quieting the lifter noise.

Chattering when cornering can occur when the limited slip differential fluid breaks down. Replacing the fluid will repair this issue.

The fuel level sensor may fail resulting in erratic reading of the fuel gauge. Sensor replacement is generally required to correct this concern.

Certain models may have a vibration issue at highway speeds that could be due to uneven tire pressures, tire rim out of specs, wheels out of balance, AC compressor bracket bolts not torqued correctly, misalignment of the steering shaft coupler, improper ride height, or wheel alignment out of adjustment. A qualified technician is needed to sort out these problems and correct them.

The check transmission light may illuminate with a stored code 37. This is commonly caused by electrical interference on the data communication circuit between the transmission control module (TCM) and the engine control module (ECM). Our technicians recommend that all related connection and ground locations should be inspected and repaired as necessary. In some cases electromagnetic interference may be the cause, shielding of the affected wiring may be of help it this case.