1999 sportage engine start but wont stay on

[malimag99]

Hello, I have a 1999 sortage, the engine start but wont stay on, I done many diagnostics wish are, Check every injector for pulse and is good, check for spark and is good, That tells me crank sensor good. fuel pressure 42psi and it should be arround 55psi, so I got one fron the salvage yard and I am getting the same change the fuel pressure the same. When the car stars it bearly idles so I spray starting fluid and idles beutifull untill it runs out, check the injectors and they all have a good flow, I tray to get any codes and there is none, Please help with any inputs you may have, Thank you.

[KMG9185]

Originally Posted by malimag99

Hello, I have a 1999 sortage, the engine start but wont stay on, I done many diagnostics wish are, Check every injector for pulse and is good, check for spark and is good, That tells me crank sensor good. fuel pressure 42psi and it should be arround 55psi, so I got one fron the salvage yard and I am getting the same changed th efuel pressure the same. When the car stars it bearly idles so I spray starting fluid and idles beutifull untill it runs out, check the injectors and they all have a good flow, I tray to get any codes and there is none, Please help with any inputs you may have, Thank you.

check your main EFI relay's under the hood in the fuse block..i have seen enough of them to go bad that when i pull one of these suckers in i always have a set of known good relays i have in my box and throw them in just to test it....... just an idea.....

Kevin

[LMP]

Most possibly clogged idle air control valve (IAC) , very commonly associated with these symptoms.
http://geocities.com/lmp4203/kiasport/IAC.jpg
remove (2 screws) then spray inside clean with carb cleaner or other solvent, (WD-40).