need help

[87gnttop]

Ok I have an 87 grand national 77000miles . Here's my problem it doesn't want to idle. I changed coil ,plugs ,wires ,pcv valve ,fuel filter , vacuum lines, I made sure it was on timing . Idk wat else to check or do I was wondering if anyone had any ideas I wanna get the car ou soon . Also the car didn't stay until I changed the fuel filter but I still get a really ruff idle .


Thanks Eli

 

[bjohn07]

when u start the engine what is the idle speed rpm? before it shuts off. or does it not come on at all?

 

[chevyman454]

you may want to get a scanner and see where the IAC is at or check for a bad TPS. also check the air passage for the IAC if that is blocked your not gonna have an idle

 

[87gnttop]

ok idk how to check the tps or the iacv now my egr vacuum sensor is broken now i have a good control mudule that im going to try and also casper cam sensor cap lest see if it works....