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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Oil Pressure

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Old Nov 6, 2011 | 10:07 AM
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jlt59912's Avatar
jlt59912
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Oil Pressure

I just bought a 1988 F-150 LWB, 306 and replaced the faulty 0il pressure sensor. Now when the truck is idling the oil pressure falls completely off. Any thoughts??
 
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Old Nov 6, 2011 | 11:53 AM
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76250_4x4
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From: Port Washington, Wi
the stock gauge reads normal anytime the oil pressure is over 7 psi. so if its dropping at idle its going below 7 psi of pressure. probably a worn out engine would be the culprit. does the engine make any noises? it probably just needs new bearings and an oil pump to make it new again. if i were you i would go and pick up an aftermarket gauge for oil pressure, it will give a much more accurate reading
 
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