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Fuel pump waveform
Posted to Technical Discussion Forum on 10/16/1999 6 Replies

HI gang:

I have a 1985 Datsun 300 ZX with a hesitation, stall, poor idle. I took a took a picture of fuel pump wave form. Image #2265 It is very bad, but I'm not so sure that this is the actual problem. I have 33 psi pump pressure, ( spec is 36 to 37 psi ),... Login to read more.

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