2 questions for 87 chrysler new yorker. i've owned it for 7 years and it always says "engine oil pressure is low. prompt service required." If you check the oil level, it's fine. the oil valve gasket has been replaced also.
question 2: today while driving, the car just became silent and stopped running in the middle of the street. The car will turn over but won't restart. AAA tow truck came and he said maybe the fuel pump went bad? I have had problems with heather not working. right before the car stopped, the blower came on and, coincidence/, the car stopped right when I pushed one of the panel buttons for the heater.
Do you have the car at your house? Check fuses and relays. Some are tied in with the ignition system. For the oil level check it with puting an actual pressure guage on it. The sending unit for your oil psi might be worn out and not sending the correct reading. Check and see if you are getting fuel and another way to check the fuel pump is take the gas cap off, have someone turn the key on like they were going to start the car and you should be able to hear a humm coming from the gas tank this means the pump is okay. If you have the humm but no fuel comming up to intake then check the fuel filter, if it hasn't been changed in awhile it might be clogged.
One more question ..... Do you have power right now? Do your lights and everything else turn on?
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Hook up a mechanical test gage to the oil pressure port where the oil pressure sender goes and verify the oil pressure is at least 20-30 pounds at idle engine hot. If the oil pressure checks ok on the test replace the oil pressure sender. You should be able to borrow this gage from Autozone or O'reilly auto parts with a deposit and a credit card.
Sorry to break the bad news to you , but if you are planing to pay someone to install a new trans , that would be more that the car would be worth. My Dad Spent $3000 for a new engine for his 87 New Yorker , then $1600 for a trans 2 months later. The Dodge dealer took advantage of an old man. This work should NEVER have been done. He ended up selling the car last year for $1200 , and I think he was lucky to get that much.
If you really want to do this , any auto wrecker will have a tranny for it , they were very common in many different Chrysler products.
I think you have a suspect oil pressure sender unit. Replace it as they are cheap and need to be reliable and it will be cheaper than getting the oil pressure tested. If the light still stays on with the new sender you may have internal wear or a partial blockage. If the light stays on you need to have it urgently checked by a mechanic or you could risk serious engine damage.
I had the same problem with my 87 new yorker. After alot of research and messing around I found it could be a few things. The Map sensor $55 on left side fender, the PCM located inside the air intake tube $50 at junkyard, also make sure that the injector is not stuck open and that both connections on the injector are connected securly.
It's either not getting fuel or spark. Have you checked to see if you are getting any spark to the plugs. Take one of the plug wires off its plug and place it close to the frame or engine. When you crank the engine you should be able to see a spark jump from the plug wire to the frame. if you do not see a spark you have a problem with the ignition system. If you do see a spark then the problem is with the fuel system.