Symptoms - starving for fuel when cruising

10

Asked by Oct 16, 2013 at 11:33 AM about the 1985 Ford Ranger S Standard Cab SB

Question type: Maintenance & Repair

85 Ranger 2.3 L  – 4cyl - 2wd– auto – EFI
Symptoms  - starving for fuel when cruising, step on it and it begins to die then picks up and goes for a while then starts all over again.
Code 41 comes up, code states that HEGO lean condition.
Took EGR valve out of equation ( removed vac hose), still does the same thing.
When driving you can feel something change then the starving problem occurs.
Fuel pressure has been checked and ok.
Any ideas for this?
Thanks.

3 Answers

86,775

You can have pressure but low flow, change the fuel filter and then recheck the flow from the fuel pump. Check the fuel pressure regulator also, it might not be opening up as demand increases.

10

Why does it soothes out for a while when you put your foot into it?

86,775

Pulsing fuel pressure or flow, low fuel flow or pressure not stable after regulator.

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