studdering at idle

[Big_blue]

I got a early 99 that at idle it is studdering and trying to die. I put in a new cam sensor and fuel filter. It will make the CEL come on but then it goes off and the reader i got will not read the codes. Does anyone have any suggestions or know what it might be. Thanks for the help.

[CRAZY_CANUCK]

alot of those year truck have been having some issues with thier electric fuel pump, it needs to supply fuel at approx 60 psi to feed injectors correctly.

[ianstew]

unplug your ICP sensor and see if that smooths out your idle... drivers side head, closer to front...three wire plug. unplug while running, will set check engine light, but see if works. If it does, your ICP sensor is bad. It's a quick and free check