
2002 Chevrolet Astro 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Ok so this thing has a dead missfire on cylinder 4 at idle according to my scanner. You can watch the missfire counter for #4 run up like its not firing at all. I've replaced the #4 injector, swapped plugs and wires, checked compression( which is about 130 on ...
FIX posted 3/31/2015
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Message Closed
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VIN | 1GCDM19X62 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Hot, Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
Message Closed
Vehicle Data
2002 Chevrolet Astro
VIN | 1GCDM19X62 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Hot, Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |