Question about 1994 Lincoln Continental
It will go to one bar for a short time then back to normal range(3-4bars) Other time it will show ''check DCL'' with the ''CO'' on the cluster. Question: Does this auto have a mechanical oil pump or am I loosingoil pressuire when the bar graph drops to only one bar
This problem started after I changed the Instrument cluster ...the original Inst clust had a part # F20F-10849-AA
If the engine continues to carry oil pressure regardless of what the digital bar graph shows. I won't worry about it.
I had the exact same problem with dcm and oil and this is a sure way to resolve it. disassemble the dash and get to the wires in the back of the gadges. disconnect and clean connections. i had the beeping six to ten times a day and ithis fix it.
Posted on Apr 12, 2009
I am having the same problem on my 94' Lincoln Continental. The oil pressure gauge drops to 1 bar and the warning charm goes off. This happens from time to time. It more like to happen: 1. when the engine/car is warm; 2. when gas pedal is released at high speed (>45mph); 3. Usually it goes away by itself after an acceleration. I replaced the oil pressure switch which is beneath the power steering pump and sitting on the engine block. But that did not fix the problem. I switched to 15W40 engine oil since then. And it did not fix the problem either. I brought the car to the shop. They could not repeat the symptom. They manually checked the oil pressure and it was normal. I guess it is very challenging when deal with this intermittent problem. I will try to clean the connectors on the back of the instrument cluster. Will see whether that will fix the problem.
Posted on Dec 29, 2014
I had the very same problem on my 1994 Continental. It has the F20F-10849-AA instrument module. I took it out and cleaned the contacts as best I could. There are 28 contacts on one connector and 14 0n the other, It is the female contacts on the 29-pin connector that are hard to get to. I also had false low oil pressure and DCL warning chimes about every ten minutes while driving (very maddening!). Cleaning the contacts and reinstalling got rid of the false chimes for about five months; then they starting to gradually return, perhaps contact corrosion returning?? It also seems like there is a temperature effect. The false chimes never chime when the inside of the car is cold. However, once the interior of the car is fully warmed they start to chime. By the way, the bars on the oil pressure have nothing to do with oil pressure. The continental oil pressure sender is only a grounding pin. It completes a circuit to ground if there is 5 psi of pressure, thus it is only on-off! It cannot tell the difference between 10 psi and 40 psi of oil pressure! I bought another Continental instrument module from a junk yard, but it is part number F20F-10849-BA (not AA like mine). That's all they had. It is very similar but not exact. It has the same size and shape, but may be a slightly later version, with most of the the light bulbs accessible from the outside of the module. My old one has bulbs on two internal boards that must be pulled out. I'll try it. Dave Harrington March 2013.
Posted on Mar 08, 2013
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Posted on Jan 02, 2017
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