October 20, 200421 yr Anyone know the specs for: 1988 XT 1.8 MPFI Fuel pump pressure? I found some specs stating 61 - 71 psi......is this right? Is the SPFI fuel pump different? My pump is about 32 psi about 30 psi low when I check it with an inline fuel pressure guage at the fuel filter. Is there another filter after the fuel pump but before the main fuel filter under the hood?
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