Fuel System Pressure Test
- Turn engine off and relieve fuel pressure. Remove air cleaner and plug thermostatic air cleaner vacuum port on TBI. Remove flexible fuel line between fuel tank and filter (near tank).
- Install fuel pressure gauge (J-29658). Start vehicle and observe reading, fuel pressure should be 9-13 psi (.63-91 kg/cm2 ). If fuel pressure is not within specifications, go to CHART A-5 or CHART A-6 in this article.
- Relieve fuel pressure. Remove fuel pressure gauge and install fuel line. Start vehicle and check for fuel leaks. Remove plug covering thermostatic air cleaner vacuum port on TBI and install air cleaner.