Question about 1983 Chrysler Imperial

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When i try to turn it over it will run for a second or so and then stalls out

I have a 1990 chrysler imperial And when i try to turn it over it will run for a second or so and then stalls out. Could this be my fuel pump? When i turn the key twice without turning it over i hear the fuel pump wind.But when i turn it the third time i dont hear it. This is when i turn it over on the fourth time it will run for that second. Then when i turn it over again it will just act like its not getting fuel. And i can repeat the process it will do the same thing. I sprade eather in the cleaner and it fired right up and stayed running as long as i sprade as soon as i stopped the car stalled out. This is why i think its the fuel pump. I also have that crappy stock theft alarm installed could this be the problem.. Oh ya when i start the car and before it stalls i turn the key back and forth (off and on) and it will stay running. Weird but true. Well i hope i discribed it the best i could its better to tell it in person to get a better idea..

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  • chriswes2009 Jan 23, 2009

    I have a 1998 concorde with the same problem, runs for a few seconds and then nothing! and the same about the turning the key off, when it runs for those few seconds, it doesnt turn off. I thought it was due to the aftermarket car starter installed but not sure



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I have two 1991 Imperials ..
And when the light starts flashing on dash to left of the steering wheel and car will not start...
I put key in driver door and turn lock then unlock and the problem is fixed till next time the
theft device does that another day.

Posted on Apr 24, 2009

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I read a tsb on this very problem becasue my friends 91 New Yorker is doing the same thing.  The answer is the computer becuse it has a VTA mode, but if there was no Vehicle Theft Alarm factory installed then it will sometimes get stuck in this mode requireing a replacement computer. here is the link I found the Technial Service Bulliten on.

Posted on Mar 31, 2009

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The wining noise you hear when turning the key stops after the 3rd turn as the computer goes into diagnostic mode. If you watch the 'check engine' light after turning the ignition on/off three times, leaving it turned on the 3rd time the check engine light will flash out codes to you regarding any faults that the computer sees. Count the first number of flashes then it will pause, count the second number of flashes. Put the 2 numbers together and you have your code. You can go to to find out what problems each code means, ot type chrysler engine codes into your search. This site will also give you more detailed instructions on how to read your codes. This should give you a better answer an whats causing your problem. It sounds like it may be a map sensor. Good luck.

Posted on May 15, 2008

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How to test fuel pump relay switch on 1990 Chrysler imperial

put new relay in.
have you checked its not the pump
First, confirm that the pump is bad by listening carefully for the one second hum from the tank when you turn the key to the start position. If you didn't hear a thing..

Check for 12 volts at the dark green with black tracer wire at the wiring connection located underneath the van behind the driver's door. This wire supplies the voltage to your pump. If you have the rear heat this connector is generally found right around were the hoses are for the rear heater. There may be two connections at this location but the one you're looking for is the larger one with four wires.
Connect a voltage meter (or test light) to the dark green with black tracer wire and have someone turn ignition to the on position. Look for a flash of voltage then off. If you get the 12 volt reading that means that the computer ( PCM) has grounded the ASD (auto shut-down) relay circuit.
Now have someone crank the engine while you are still reading the voltage at the wiring connector. If everything is working normally you should get 10-11 volts while the engine is cranking. If you only get a very brief voltage reading or zero consider additional testing of the crankshaft or camshaft sensors (or fuses). If you got any sign of voltage doing the above test but never heard the fuel pump hum, with the electrical connections intact, then there is a strong probability that fuel pump is bad

Nov 01, 2016 | 1990 Chrysler Imperial

1 Answer

Pretty major problem here. My '92 Chrysler Imperial entered the "safe mode" for it's transaxle, then proceeded to stall on the next stop. It now will not start again. I need to fix this ASAP.

it is in limp mode because of a problem in the transmission
you will have to run the fault codes to determine the area of failure
areas to check for will be TCM , turbine speed sensor, servos, pump pressure sensors
take it to an accredited auto transmission specialist shop
it appears that the transmission control module doesn't know what ratio to select so at this point I would be wary of "new box" comments until the reason can be properly explained

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Where is the fuel filter for 1990 chrysler imperial located

Should be in front of one of the rear wheels in front of the gas tank.
You can follow the fuel line along the bottom of the car.

Aug 23, 2012 | 1990 Chrysler Imperial

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'92 chrysler new yorker salon is stalling after about two or three minutes after starting, what could be causing this?

Bad fuel pump,have the presure checked,turn the key on,wait 10 seconds,and see if stays running longer,if it does,its your fuel pump.have it changed.First,change your fuel filter.

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Car will start for a few seconds then dies.

Still sounds fuel related to me. Getting minimal fuel enough to start & or rev, but not maintaining proper pressure required. Try this. Get a can of WD-40 ready, remove air intake hose at throttle body. Start car & when it starts to begin to die, spray some WD-40 into front of throttle body & see if engine continues to run, as long as you keep giving it squirts of 1-2 seconds. If it does, change fuel filter first, but be prepared to do pump too. If you can get a fuel pressure test done on it, that would be even better. Let me know what happens.

Jul 24, 2009 | 1991 Chrysler Imperial

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Car wont stay running after initial start up?

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Fuel pump may be in the top middle of the tank, the bulk of the work is removing the gas tank to get at it.

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