Insufficient ground to the oil pressure switch, preventing the engine oil pressure warning light from...
Isuzu technical service bulletin 04031 for 2003 Isuzu NPR, 2003 Chevrolet W3500 and 2003 Chevrolet W4500 and others.
- Bulletin number
- 04031
- Component
- Engine and engine cooling: engine
- Summary
- Insufficient ground to the oil pressure switch, preventing the engine oil pressure warning light from illuminating when the vehicle is started and when the engine oil pressure falls below normal. Also includes gmc and chevrolet w3500/3500 series isuzu and npr/hd 2004. Tt
Vehicles covered
- Isuzu NPR 2003 2003
- Chevrolet W3500 2003 2003
- Chevrolet W4500 2003 2003
- GMC W4500 2003 2003
- GMC W3500 2003 2003
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