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Home >> Pontiac >> 1988 >> LeMans SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Testing >> Cuts Out Or Stalls

Cuts Out Or Stalls

  1. Check for intermittent open circuit or short to ground in the following circuits: HEI reference, fuel pump circuit, injector drive circuits, IAC drive circuits.
  2. Check for restricted fuel filter. Ensure fuel pressure is 9-13 psi (.6-.9 kg/cm2 ) at all operating ranges. Inspect fuel injector "O" rings for damage. Ensure steel back-up washer is located beneath large "O" ring of fuel injector assembly.
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