Travistyson1
Active Member
Hey guys,
I just picked up a 98 ford expedition 4x4 with the 5.4 triton and a.m. having high idle issues. It idles about 2000 rpm. I have changed all the plugs and coils, new Maf, new IAC and it went from barely running idling high. Wondering what i can do to try and troubleshoot or solve the issue. No codes in the system. All sensors seem to be working properly according to my scan tool,
I'm wondering if the previous p owner perhaps adjusted the throttle screw since it would not stay running without a foot on the gas pedal prior to me getting it and replacing the Maf and other items that was causing the CEL to be on and rough running condition.
I just picked up a 98 ford expedition 4x4 with the 5.4 triton and a.m. having high idle issues. It idles about 2000 rpm. I have changed all the plugs and coils, new Maf, new IAC and it went from barely running idling high. Wondering what i can do to try and troubleshoot or solve the issue. No codes in the system. All sensors seem to be working properly according to my scan tool,
I'm wondering if the previous p owner perhaps adjusted the throttle screw since it would not stay running without a foot on the gas pedal prior to me getting it and replacing the Maf and other items that was causing the CEL to be on and rough running condition.