Isuzu Problems

RepairPal has identified the most common problems with the Isuzu as reported by 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

Lack of oil changes can cause the piston rings to become clogged with debris resulting in excess oil consumption. Severe engine damage may result if the oil level gets to low. Engine dis-assembly may be required to clean or replace the piston rings. Our technicians recommend proper maintenance to try and avoid this expensive repair.

The Check Engine Light may illuminate with a code P0606 stored. Our technicians tell us updating the powertrain control module (PCM) software will generally correct this concern.

The Check Engine Light may illuminate with codes P0171 and P0172 stored. Our technicians tell us reprogramming the powertrain control module (PCM) and replacing the fuel pump may be necessary to correct this concern.

A fluid leak may develop from the transmission output shaft seal. This leak may cause the transmission mount to become oil soaked and require replacement of the mount along with the leak repair.

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

A rattling type noise may develop from the front of the engine. This is commonly caused by a faulty timing chain tensioner. Replacement of the failed tensioner should correct this concern.

A loss of power and/or illumination of the Check Engine Light with associated fault code P0420 may be noted. Our technicians tell us this is generally caused by a failed catalytic converter which will require replacement.

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.

 

A no start condition may be caused by a failed ignition lock cylinder (the ignition key will not turn). If this occurs the ignition lock cylinder will require replacement.

Certain models can get a brake squeal at the end of a stop due to the front brake pads leaving a film on the brake rotors. Replacing the brake pads and turning the rotors will fix this issue.

On certain models contamination of the grease on the gas pedal potentiometer causes the Check Engine light (MIL) to come on and may cause a rough idle. The potentiometer will need to be replaced and adjusted to fix this problem.

A leaking fuel pump o-ring can cause the Check Engine light (MIL) to come on. Replacing the faulty o-ring will correct this.