1990 Ford F-250 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Ford F-250

A ticking noise may develop from the engine due to a warped exhaust manifold. Damaged exhaust manifolds will require replacement to correct this issue.

The engine oil pan gasket can develop a leak. Leaking oil may accumulate on the exhaust system resulting in a burning smell. Replacing the gasket should correct this leak.

The tachometer sensor may fail; if the tachometer needle jumps around and the transmission has harsh shifts or does not upshift, this sensor should be checked. This sensor is mounted in a cover at the front of the motor.

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When I press on the brake peddle the brakes grab and the-y wont return up without putting my foot under the peddle

At idal or giving gas rpm will surge

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Ford has extended the warranty coverage of the fuel pump and sending unit assembly in 1990-1993 F150, F250, and F350 trucks. In some trucks, the check valve may become damaged inside the fuel pump unit. This can cause fuel to travel from one tank to the other, creating an overflow condition. In the presence of an ignition source, a fuel leak may result in a fire. Dealers will repair the fuel pump and sending unit for up to 12 years or 150,000 miles from the original warranty start date.

THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT.THE STEEL FUEL RETURN TUBES THAT CONNECT THE FRAME FUEL RETURN LINES WITH THE ENGINE FUEL RAIL CAN CONTACT THE PINCH WELD FLANGE CONNECTING THE DASH PANEL TO THE FLOOR PAN. CONTINUED CONTACT LEADS TO ABRASION OF THE STEEL FUEL RETURN TUBE AND EVENTUALLY RESULTS IN A FUEL LEAK.

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