Air Flow 88 F150 Straight 6

Asked by Nov 18, 2012 at 02:13 PM about the 1988 Ford F-150

Question type: Maintenance & Repair

After a fire in the engine at the fuel injector, I've replaced the damage and put new seals on. I've tested the engine and fuel flows, it gets to the spark plugs fine.  The spark plugs are new and gapped correctly.  Spark coil tested and works, sark plag cables work, cap and rotor fine.  I can get the engine to turn over fine but it consistently won't keep itself going.  Flapping the air intake/gas pedal rapidly will let in hang on in turning over as long as that is kept up.  But it just stops.  It's as if the air to the engine doesn't flow.

1 Answer

try turning it over with no pedal pumping and someone spraying a quality carb cleaner all over the exterior of the motor, from intake/ exhaust manifold and pushrod cover, up. If it pops or starts, something is cracked and letting too much air in. Remember, you only need air, fuel and ignition timing to run. Hope this helped.

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