1996 eclipse gs dies after 10 minutes?

[Crappy96gs]

i have a 1996 gs i bought it with 2 cylinders holding no compression and smoked, and would die after ten minutes. so i rebuilt the motor and now it doesnt smoke ne more but it still dies after 10 minutes of running? also while running the check engine light is on, then it will start to flicker then the motor dies. someone help me plzzzz

 

[trauma2]

Could it be that the fuel pump bearings are failing?

 

[luv2rallye]

What code do you get for the check engine light? Does it start again after 10 minutes and died? Sounds like a lack of fuel problem. Check fuel pump, fuel filter, FPR, gas cap seal, maybe partially clogged pickup tube/sock in gas tank, or water in the gas.

 

[TotalEclipse112]

Could it be that the fuel pump bearings are failing?

Fuel pump bearings!? Its a self contained, eletricaly driven fuel pump unit. The whole thing is replaced as a whole. This isn't a carburated v8 with a mechanical fuel pump run by the cam.

 

[trauma2]

Yes. I agree since My 4g63 isn't a carbed V8 either. But, I have had an electric fuel pump go out and set an oxygen sensor code in the ECU. Replaced fuel pump after trying three O2 sensors and the problem went away. Electric fuel pumps also have bearings, most times that is what fails, the gasoline that they pump keeps them cool but sometimes they do fail due to internal friction. Just a thought.

 

[TotalEclipse112]

Yes. I agree since My 4g63 isn't a carbed V8 either. But, I have had an electric fuel pump go out and set an oxygen sensor code in the ECU. Replaced fuel pump after trying three O2 sensors and the problem went away. Just a thought.

Yup it I'll do that, let me guess it sent a o2 lean code, because it wasn't flowing the proper amount of fuel.

 

[trauma2]

Am just curious as to what code you pulled from your ECU? Good luck. If you get a Chance check out my post titled "1993 eclipse 2.0 n/t no start" in this forum. Sure could use a little help from my friends as my brain is toast from troubleshooting it.

 

[TotalEclipse112]

Am just curious as to what code you pulled from your ECU? Good luck. If you get a Chance check out my post titled "1993 eclipse 2.0 n/t no start" in this forum. Sure could use a little help from my friends as my brain is toast from troubleshooting it.

Was directed to me? If so no code I learned it at school, I'm a dealership tech I deal with this kind of stuff all the time.

 

[trauma2]

Was directed to me? If so no code I learned it at school, I'm a dealership tech I deal with this kind of stuff all the time.

Yes for future refernce on future problems I may face with mine

 

[TotalEclipse112]

Like I said I troubleshoot this kind of stuff all the time, partice makes perfect. And my own car leads to a lot of beer. Also most of the time troubleshooting over the internet is like being a blid man judging a wet T-shirt contest, unless it is very specific, it can be really frustrating.

 

[Crappy96gs]

I finally got code a reader and got these codes P0505-Idle Control System Malfunction and P0351-Ignition Coil Primary/Secondary Circuit Malfunction. I removed the Idle Control Motor and wiped it off and tested the Ignition coil resistance Primary and Secondary and it checked out OK. Now what should I try? Should I try replacing the Cam and Crank sensors as well as the Idle Air Control Motor? Would any of these sensors keep it from running? What ever it is, will reset after it cools off and I can start the car again after 15-20 minutes, but it shuts down again after 5-10 minutes of running.
Thanks in advance for all the help.

 

[akdsmer]

Should I try replacing the Cam and Crank sensors as well as the Idle Air Control Motor? Would any of these sensors keep it from running?

The Crank sensors can (and do) fail, seen more than one car with a sensor that fails when warmed up. The crank sensor will set your P0351 code. More likely that than most any other items. It sets the PO351 code because it is still giving a signal, but is not correct enough (failing) to allow the PCM to know when to trigger the coils. I have a couple of pictures of these as they fail, for fun I'll post it tomorrow. Of course hooking up to the crank sensor and cam sensors with a scope would tell you that in only a minute. You'll probably have to wing it (throw parts ) unless you spend a few $$ to get it diagnosed.

The idle motor will allow it to die, but only if the throttle valve is closed. If you have your foot on the throttle a bit to bring the engine speed off idle the idle motor will not kill it.

 

[Crappy96gs]

do you recommend aftermarket parts other than using direct mitsubishi parts? to save sum cash

 

[akdsmer]

do you recommend aftermarket parts other than using direct mitsubishi parts? to save sum cash

Some cash.


NO. When a component fails, you may want to think that it is a POS, but the aftermarket usually have Mitsubishi beat in that department.

If you want to save some money, put an egg on your accelerator pedal.

 

[Crappy96gs]

hey thanks everyone i fixed the crank sensor and it works fine now thanks for all the replies, oh yea got it from autozone...... also the engine was just rebuilt and it smokes still? will it go away is it just old oil burning