2007 Isuzu NQR500L (NQR75) — Repair Solution

5.2L 4HK1-TCC 4cyl 16v SOHC Turbo CRD Diesel Manual · Exhaust Brake Malfunction · Engine

Isuzu NQR500L (NQR75) Exhaust Brake Malfunction Engine Diagnostic Sequence Available

Vehicle Details

Make: Isuzu
Model: NQR500L (NQR75)
Year: 2007
Engine: 5.2L 4HK1-TCC 4cyl 16v SOHC Turbo CRD Diesel Manual
Kilometres: 84,039
Area: Engine
Category: Exhaust Brake Malfunction

Customer Complaint

The exhaust brake stops working.

Problem Summary

The vehicle is exhibiting an intermittent fault with the exhaust brake not working. The customer has wired up a warning light to the exhaust brake solenoid. With the exhaust brake switch on, a light comes on on the dash. The vehicle slows down "half power" as if the exhaust brake is working weakly. Sometimes the warning light flickers, sometimes it stays on with braking and the exhaust brake works perfectly.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

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Fault Description

The detailed fault description and root cause analysis for this 2007 Isuzu NQR500L (NQR75) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2007 Isuzu NQR500L (NQR75) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeISUNQ071251
Vehicle2007 Isuzu NQR500L (NQR75)
Engine5.2L 4HK1-TCC 4cyl 16v SOHC Turbo CRD Diesel Manual
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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