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1974 American Motors TRUCK 401CID Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy
The engine idle quality is very poor. We think that perhaps the spark plug wires are crossed. Does anyone have the correct firing order for this engine? 1974 AMC 401. Thank you all in advance for your replies.
FIX posted 10/24/2007
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| VIN | J4A2520Z07 |
| Engine | 401 / 8 cyl |
| Delivery | CARB / 4 BBL |
| Emissions | US |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy |
| Occurs | Always |
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Vehicle Data
1974 American Motors TRUCK
| VIN | J4A2520Z07 |
| Engine | 401 / 8 cyl |
| Delivery | CARB / 4 BBL |
| Emissions | US |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy |
| Occurs | Always |
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