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Fuel pump waveform and rpm
I have the above vehicle with an intermittent no start. I haven't gotten it not to start since it's been in the shop but checking the fuel system I found the pressure jumps to 60 psi and by jumping pin 30 and 87 I get this wave form. It not only looks odd but ... Login to read more.
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1999 Chevrolet C1500 Suburban LT 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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