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Problems for specific Isuzu Ascender years:

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Most reported 2005 Isuzu Ascender problems

 

Verified for the Isuzu Ascender

The transmission may develop a harsh shift condition with the Check Engine Light on and fault code P0717 stored. This is commonly cased by a failed input speed sensor (ISS), located inside the transmission. The wiring at the sensor may be found damaged. If so, the sharp edges near with ISS wiring should be filed smooth to protect the new speed sensor wiring from damage.

9 Reports
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Verified for the Isuzu Ascender

A no crank condition may occur and the IGN E fuse is blown. If this occurs our technicians recommended 3 places to inspect for wiring issues: Under the sill place at the drivers side rear door opening, along the steering column, and near the brake pedal bracket. Damaged wires will require repair and should be repositioned and protected from further damage.

7 Reports
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Verified for the Isuzu Ascender

The horn may not function at times due to a faulty ground circuit in the steering column. Our technicians tell us that adding a ground strap between the upper and lower steering column mounting points will commonly correct this issue.

6 Reports
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Verified for the Isuzu Ascender

A squeak noise may be noted upon brake apply. If basic brake inspection procedures don't reveal any faults, our technicians recommend flushing the DOT 3 brake fluid and replacing it with Delco Supreme 11 fluid to correct this concern.

6 Reports
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Verified for the Isuzu Ascender

The 4WD warning message may be displayed with a code C0327. The transfer case position sensor is commonly at fault and will require replacement.

4 Reports
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Verified for the Isuzu Ascender

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.

3 Reports
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Verified for the Isuzu Ascender

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.

3 Reports
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Verified for the Isuzu Ascender

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.

3 Reports
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Verified for the Isuzu Ascender

The ignition switch may fail resulting in a no start condition. Replacement of the failed switch is necessary to correct this condition.

2 Reports
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