1989 F150 5.0 L ENGINE
. When starting engine cold RPM's go up to 1800 rpm then after warms up idle's about 100 rpm. Have replaced IAC, EGR, checked for Vacuum leaks. Pulled hoses from throttle body and placed hands over both intakes, no change in idle speed.
JA: How has your mileage
been lately? How long have you had the leak?
Customer: Worse than usual. I have had the problem for about two weeks. I was driving down the road and the engine starting to make a roaring sound and ever since then I have had a high idle problem
JA: What is the model of your '89 Ford?
Customer: F150 XL 4 x 4
JA: When was your last tune up?
Customer: About two years ago. Truck only has 71,000 original miles. Did tune up at 65,000 miles
JA: Are you hoping to fix this yourself?
Customer: Do you need any other info?
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Ford Mechanic about your situation and then connect you two.