 
				
	| 1998 Chevrolet C1500 Cheyenne 4.3L Misfire, MIL Lamp on problem only occurs at cruise,never under load,idles [...] several posts regarding worn distributor drive gear,pulled dist.,gears are [...] several posts recommending to enlarge dist. hold-down hole to [...] may be something i attempt later(don't want to mask ... 
                        
                            FIX posted 4/4/2006
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 15 Replies Received (View Replies)15 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 1GCECI4WXW | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Cruise | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1998 Chevrolet C1500 Cheyenne
| VIN | 1GCECI4WXW | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Cruise | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency | 
 15 Replies Received
15 Replies Received
 15 Replies Received
          15 Replies Received
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