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97 Silverado- cold misfire
I am helping another tech with a 97 chevy Silverado 5.7L that has a misfire when cold. After it runs a couple minutes it will run well. DTCs were present when it came in: P0141 and P0155 (O2 sensors). They also tried running it with both upstream O2 sensors un... Login to read more.
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1997 Chevrolet K1500 Silverado 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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