1998 Chevrolet Express 2500 4.3L Poor Idle Quality, Hesitation, MIL Lamp on
Some cold starts this thing cant stay running, it back fires on accel, no misfire codes. It cuts out and runs poor until it goes into closed loop. Then it runs fine. Codes came on during closed loop= P0171 & P0174. Engine up to temp and driving around 25mph. R...
FIX posted 7/11/2010
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Message Closed w/FIX
Vehicle Data1998 Chevrolet Express 2500
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 Chevrolet Express 2500
VIN | 1GCFG25W51 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / scpi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
Occurs | Cold, Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |