Question about 1987 Plymouth Reliant

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1987 reliant le 2.2 my trouble codes are 1.1 , 1.2 , 5.5 what does this mean ?

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If you just changed the battery, or had it disconnected, 11 will disappear next start and run, 12, is telling you that the battery has been disconnected recently, and should disappear as well in 15 or so starts, and 55 is end of message, you will always get that.
If it's a no-start situation, check connections, wires etc at distributor, as well as pick-up plate inside under cap and rotor.

Posted on Apr 29, 2010


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1987 reliant le 2.5 my trouble codes are , 1.3, 2.6, 5.2, 5.5 what does this mean?

Code 13 (1 flash,pause,3 flashes) is "MAP Sensor Signal Not Changing". This could be something as simple as broken vacuum line from the intake to the MAP, the factory line used in the Reliants is usually hard plastic, with rubber hose joining it to the Intake & MAP. It gets very brittle with age and tends to fall apart or break from engine movement/vibration/hot-cold cycles/etc. It may also be a poor electrical connection at the MAP Sensor, or even a MAP failure.

Code 26 (2 flashes,pause,6 flashes) is Injector Current Peak Not Reached or Injector Short or Injector Open. This is most likely related to Code 13 that I mentioned above, as well as Code 52 which I'll detail next. The fuel injection system relies on input from the MAP, IAT, Engine Temperature Sending Unit, etc to control the injector

Code 52 (5 flashes,pause,2 flashes) is Engine Running Rich. Definitely related to Code 26, which is most likely related to Code 13. One part can cause a whole chain of issues in the injection system.

Code 55 (5 flashes,pause,5 flashes) means "End of Codes". No more codes have been found.

As for the other things you mentioned; overheating, the overflow jug being filled to the top, and consuming oil. I think you have some more serious problems going on there. It may have blown a head gasket when it overheated. Which could cause Compression to push past the fire ring, into a water jacket, forcing coolant out of the radiator into the overflow jug. There's 3 obvious signs for a blown head gasket, though sometimes you only get one, sometimes you get two signs, sometimes you get all three. 1 I just mentioned, 2 is consuming coolant (the engine will draw coolant into the combustion chamber and partially burn it and expel the remains out the exhaust), 3 is the mixing of coolant and oil, where coolant passes between the water jackets and oil ports, mixing. The usual sign for that one is a peanut butter colored goo on your dipstick or oil cap.

If it overheated to the point where the engine shut down (like you said), it may have damaged the piston rings, which would result in excessive blow by and oil consumption. I've seen this happen quite a few times on various engines

I would recommend performing a Leak Down Test and a Compression Test so you can determine what you're dealing with.

Oct 19, 2014 | 1987 Plymouth Reliant

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1987 reliant le 2.5 my trouble codes are , 1.2 , 1.3, 5.5 what does this mean?

Been a long time since I have seen one of these on the road............. I used to own one.

Code 1.2 means that the battery has been disconnected recenty (or died)
Code 5.5 means it is the end of the codes.

However Code 13, or 1.3 as you state............. is a MAP sensor code. These vehicles are notorious for MAP sensor Issues.

First inspect the vacuum hose for cracks or breaks, I suggest replacing it anyway because the car will barely run without it. If the vacuum hose does not help, make sure the sensor is actually getting vacuum from the engine in-case it is clogged. If it is them remove the electrical connector from the MAP sensor with the key ON but the Engine OFF. Use a volt meter to check that one of the pins has about 12 volts, another should have 5 volts, and the last should have Ground. if these are ok then you will need a new MAP sensor.

Oct 19, 2014 | 1987 Plymouth Reliant

1 Answer

Why does my 87 reliant stall when it gets hot?

Sounds like vapor lock. This means that fuel is being boiled before it reaches the engine. Check for loose insulation, gas line exposed to exhaust pipe, etc. basically your gas has to remain cool before it gets used by the engine.

Sep 13, 2014 | 1987 Plymouth Reliant

1 Answer

Plymouth reliant trouble code 26

1= You must test the ignition syste, reset the ignition timing see the diagram
2= Test the fuel pump
God bless you

May 17, 2012 | 1987 Plymouth Reliant

1 Answer

1987 plymouth reliant power loss light

You need to do the on board diagnostics to determine what trouble code(s) it is giving. Here's how: cycle key to On (not start) position, then off, then on again, then off, then on, and leave it in the on position. (leave on after 3rd time on ) Now the check engine light will flash a series of 2 digit numbers, with a pause in between each digit. For example: 2 flashes, pause, then 2 more flashes, would be code 22. 3 flashes, pause, 5 more flashes would be 35. There will also be a little longer pause between the 2 digit codes. You may have more than 1 trouble code, so pay attention and write them down as you go. When you get code 55 ( 5 flashes, pause, 5 more ) that means end of message, or codes. Get back to me with those codes and I will tell you what area the codes are pointing at as a problem. Does the car seem to be experiencing any running problems currently?

Apr 22, 2012 | Plymouth Reliant Cars & Trucks

1 Answer

I have a 1987 Plymouth Reliant LE station wagon 2.5 liter engine. When I was driving my car it started shaking like I lost power and I parked it in the driveway and I tried to start it but it won't start....

Has the "check engine " light come on? Are you familiar with the procedure of cycling key on, off, on, off, on and retrieving any trouble codes? Black plugs indicate a rich mixture. Couple of things come to mind but lets see if any codes first.

Feb 26, 2011 | 1987 Plymouth Reliant

1 Answer

What is the order of the sparks plugs in reliant 87 LE?

firing order is 1-3-4-2. cylinders are 1-2-3-4 starting from left as you are standing in front of the vehicle.

Dec 26, 2009 | 1987 Plymouth Reliant

1 Answer

Loss of power light came on the other day and now wont fire it will turn over though

Have you tried cycling key, to on, off, on, off, on, and leave on and count the flashes of the check engine light?
(Just to on, not start) This should retrieve any trouble codes. Write them down & get back to us. It will be 2 digits and will work like this example: 2 flashes, pause, then 2 more flashes= code 22. 3 flashes,pause then 5 more flashes would be code 35. Code 55 means end of message.

Oct 16, 2009 | 1987 Plymouth Reliant

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