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Part Number: 3435
Fuel Injection Tester - Chrysler
Chrysler Fuel Injection Tester INSTRUCTIONS:
Pressure readings for multi port should be:
4 cylinder 40 psi
4 cylinder turbo 55 psi
V-6 Chrysler 45-53 psi
For Chrysler TBI readings should be:
1981-85 34-36 psi
1986-90 15 psi
1991 early convert 15 psi
1991 others & Up 39 psi
Always check with the manufacturer to confirm proper pressures.
Lower than recommended pressure usually means a problem on the supply side of the system. Likely causes would include a damaged or restricted fuel line, clogged fuel filter, defective fuel pump or regulator, or improper tank ventilation. Higher than normal pressures usually means a problem on the return side of the system. Likely causes are a damaged or restricted return line, a defective fuel regulator, or poor tank ventilation.