oil pump problem maybe?

[upgrayedd]

i have just recently sold my TSi, and purchased a 95 eclipse GSX AT and it has a problem, here i go;

when you start the car, it runs good, no engine noise or any of that, but after it runs for a little bit, itll start knocking, misfiring, and running like complete shit. and then it dies and wont start back up for a while.. the engine my friend put in it was used, but it came from a running car and sat for a bit. is it the oil pump? or could it need primed maybe? thanks in advance

 

[16G1G4G63Talon]

depends on what kind of shape the oil pump is in, possibly could have needed primed but what i would do is drop the pan and check the pickup and see what kind of condition its in.

 

[95Eclipse]

i have just recently sold my TSi, and purchased a 95 eclipse GSX AT and it has a problem, here i go;

when you start the car, it runs good, no engine noise or any of that, but after it runs for a little bit, itll start knocking, misfiring, and running like complete shit. and then it dies and wont start back up for a while.. the engine my friend put in it was used, but it came from a running car and sat for a bit. is it the oil pump? or could it need primed maybe? thanks in advance

I don't think the oil pump will cause you all of those problems
Did you mean Fuel pump?

I recentrly had problems with the oil pump myself and the problems related to that would be whine noise especially about 3-4k rpm's, no oil pressure if you didn't prime it, or if it's not properly put together. Make sure there is oil pressure when the engine is running or you are going to kill your engine...

 

[16G1G4G63Talon]

couldnt have said it better myself. its most likely a fuel problem. check the pump or the wiring to the pump

 

[upgrayedd]

but the fuel pump was good when the previous engine was in it. what would make this any different?

 

[Lusion972]

Easy way to check it out is to take off your oil filter and cut it open..if you see metal then you know where the knocking is coming from.

 

[16G1G4G63Talon]

could be that fuel could have varnished and could have left sediment in the bottom of the tank left to be sucked up...

 

[16G1G4G63Talon]

id just go ahead and do an oil change, drop the pan and check the bottom of the pan for metal with a magnet

 

[95Eclipse]

but the fuel pump was good when the previous engine was in it. what would make this any different?

we don't know what exactly you put on the car with the new (replacement) engine, did you use the same spark plugs, cables, coils, Power Transistor Unit that came with the replacement engine?

If you did, try swaping out these one by one with the ones that your car had before the swap to see if you solve the problem.....

 

[upgrayedd]

just doesnt seem like a spark issue is all, nor fuel. but ill try it i guess.

 

[rigs50]

You can also check your cam angle sensor. Its starting at first so the timing should be ok, but if its dying and then wont start for a while, sometimes that can be a bad cam angle sensor. Mine had a very similar problem. I do agree checking your oil pan too.

 

[upgrayedd]

thanks guys ill try all of these and get back.

 

[upgrayedd]

changed a bunch of shit, and it still does it.

 

[upgrayedd]

found out_+_+... when the engine revs past 4k rpms, it starts knocking and missing. other than that it runs okay

 

[upgrayedd]

oh, and there is a huge dent in the oil pan, by the drain plug.

 

[dsm'r sk1mp]

oh, and there is a huge dent in the oil pan, by the drain plug.

ummm what!? dude were did the dent come from and did you pull the pan to check for metal shavings at all... is the dent going in from the outside or coming out from the inside?

 

[upgrayedd]

the girl my friend sold it to prior to me hit a "rabbit" as she says, i think rabbit is code name for "rock slash boulder" it goes into the oil pan, and its on its way off. is that the issue do you think?

if anyone feels like helpin me out, you can text me. 219-575-4675

 

[upgrayedd]

bump?

 

[dsm'r sk1mp]

umm, a couple things i agree with the code name .... but another thing is did you drop the pan at all to check for metal shavings? does it make a clank sound right when you turn it over and then when you rev to 4 grand it starts to knock and miss time? and if its missing time then you obviously have some bent valves... your going to have to pull the head to check... if there is anything else to add just tell me and ill do my best to help