2000 Chevrolet Express 2500 4.3L Misfire, MIL Lamp on, only at idle to 1800
compression 140 psi on cyl #4 injector balance test equal on all cyls. starts at 68 psi drops to 45 psi missing at idle upto 1800 rpms then stops on misfire counter vacuum gauge at idle is 18 ins. and not bouncing.
Summary posted 10/3/2008
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Vehicle Data2000 Chevrolet Express 2500
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2000 Chevrolet Express 2500
VIN | 1GCFG25W8Y |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp on, Only at Idle to 1800 |
Occurs | Idle |
Misc. | Van |
Trouble Codes
P0304 | Cylinder 4 Misfire Detected |