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fuel pump waveform pattern
[2003 GMC Sonoma, Fuel Supply waveform] this truck starts and idle's ok here at the shop, the costomer complains that it starts hard sometimes. the mil light is on and the pcm has stored P0171 and P0174, bank 1 and 2 lean. freeze frame shows the long term fue... Login to read more.
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| Engine | 2.2 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 GMC Sonoma SL 2.2L
| Engine | 2.2 L |
| Trans | 4-speed Automatic (Electronic) |
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