Ford Ranger Oil Pressure Gauge - Sludge?

lifeform1 · 2006-07-11T22:59:08+00:00

I've recently been driving an old reengined 1986 Ford Ranger, I have noidea what the engine is, the truck says electronic ignition, but thislooks conventional, 2.0 l or 2.3 l. The problem is the oil pressuregauge (it's the dummy variety - I tested it by grounding the senderwire - it reads slightly about half), goes straight up to good oilpressure, but then falls to zero after a few minutes, and stays peggedat zero, although the engines runs fine, although a little hot.Is this an indication that I'm sludging at the oil pump intake port, oris it indicative of a stripped oil pump drive gear, or is the senderjust bad. I don't want to put a new sender in, I don't even want toinvest in a set of good gauges, but I don't want to blow the engine,and the alternative of dropping the oil pan and desludging it almostcalls for basically removing the engine.Anyone ever seen a sender unit fail like this, or do I have a deeperproblem here.Thanks!

Jul 11, 2006 Last reply: 20 years ago 20 Replies

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Bret Ludwig 20 years ago

If adding a little ATF before oil changes doesn't do it the engine has to come out and at least largely apart.

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Ford Ranger Oil Pressure Gauge - Sludge?

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