trash in the tank will cause this problem.. the strainer will pick it up and restrict the flow causing the pump to work harder. when u let it sit it will fall back into the tank. my car did this periodicially cleaned the tank, replaced the straner. no more problems.. that was 5 years ago!
the blm stays on 128. yes the otc & my temp guage says 170, i have a couple of the cars & i swaped it from my other car.. the chip is correct for the inj. it has a stock reg. & with the line off it is about 35psi. the 0.2s r mid 70's at idle & fluchuwait @ 1/4 throttle they r @ 56