Hard starting - Erratic idle

[xRichieRich07x]

Ok so lately my car has been starting up really weird...its a 90 eclipse GS N/T...in the morning, only sometimes, it will crank but either not start up, or hardly start up then die...then other mornings it will be fine...sometimes it will just start up very weakly and then idle low around 5-600 RPM...i changed the plugs and wires...did nothing..my old ones were fine...any ideas or suggestions?

 

[boostdog]

how many miles are on it? might need the o2 sensor changed.

 

[JayRolla]

I thought the o2 sensor does not work untill the car is warm anyways?

 

[perley03]

Try doing the basic maintaince stuff first. You already got the plugs and wires out of the way, so change your fuel filter, and check your base timing. It could also be a faulty sensor. I don't know if you can check your fuel pressure with a N/T or not, I have never worked on them before. Maybe someone else who browses this might be able to answer that for you. But I would atleast start with the basics first, and get them out of the way. I know when i start my turbo 1g when it is cold I always have to crank it for a few seconds, stop and crank again and it will start right up. However, when it is warm it just starts right up. I havent been able to figure out why it does this.
I hope this helps,
Shawn

 

[xRichieRich07x]

Try doing the basic maintaince stuff first. You already got the plugs and wires out of the way, so change your fuel filter, and check your base timing. It could also be a faulty sensor. I don't know if you can check your fuel pressure with a N/T or not, I have never worked on them before. Maybe someone else who browses this might be able to answer that for you. But I would atleast start with the basics first, and get them out of the way. I know when i start my turbo 1g when it is cold I always have to crank it for a few seconds, stop and crank again and it will start right up. However, when it is warm it just starts right up. I havent been able to figure out why it does this.
I hope this helps,
Shawn

Yeah thats pretty much what my car does...its fine when its warm out

 

[xRichieRich07x]

how many miles are on it? might need the o2 sensor changed.

it has 133,000 on it

 

[perley03]

Maybe its just a DSM thing.....

 

[xRichieRich07x]

Maybe its just a DSM thing.....

haha could be..