Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 6 (ENGINE CONTROL SYSTEM - 4.2L - DTC P0420 TO P1682)
2006 Isuzu Ascender S, 5.3 M, 4WD
Section 6 (Engine Control System - 4.2L - DTC P0420 To P1682)
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Section 6 (Engine Control System - 4.2L - DTC P0420 To P1682)
WARNING: This page is about a different variant/trim than selected.
- DTC P0420
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- Repair Verification
- DTC P0442
- DTC P0443
- DTC P0446
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- Repair Verification
- DTC P0449
- DTC P0451
- DTC Descriptor
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0452
- DTC P0453
- DTC P0454
- DTC Descriptor
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0455
- DTC P0496
- DTC P0506
- DTC P0507
- DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683 Or P2610
- DTC P060D
- DTC P0641
- DTC P0650
- DTC P0651
- DTC P1133
- DTC P1134
- DTC P1380
- DTC P1381
- DTC P1400
- DTC P1516
- DTC P1682
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.