
1999 Isuzu NPR-HD 5.7L Hesitation
Help!!! this truck has no power. Feels like a plugged cat, bad air flow meter, dirty air flow sensor, low fuel pressure. It has codes for lean condition 171 & 174. The fleet mechanic replaced distributor, 2 fuel pumps, air flow meter, and substituted a good pc...
FIX posted 7/9/2013
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Message Closed
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VIN | 4KLC4B1R1X |
Engine | 5.7 L / 8 cyl / GAS |
Delivery | Fuel Injection / cpi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation |
Occurs | Always, Under Load |
Misc. | Very Well Maintained |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed
Vehicle Data
1999 Isuzu NPR-HD
VIN | 4KLC4B1R1X |
Engine | 5.7 L / 8 cyl / GAS |
Delivery | Fuel Injection / cpi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation |
Occurs | Always, Under Load |
Misc. | Very Well Maintained |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |