Questions & Answers for: Ford F-150 high idle

high idle speed on 1987 ford F150 truck has been idling high since we changed a spark plug about a month ago, and we have looked around the engine to see if something was knocked loose but we have ...

high idle is a sign of a engine vacuum leak. I have seen the intake gaskets leak on the 5.4 engine. Spraying water on the intake gasket area carefully should change the engine rpm . A binding throttle

...intake runner base gasket, this high idle may be related to the trans no engaging, fix the idle problem by remove the upper intake runners and installing a new base gasket and keep your fingers ...

91 ford f-150 5.0 idle has suddenly went irregular from high 2500 rpm to sudden low idle and then back to high idle? check fuel pressure regulator .

...high when it gets warm and if i unhook one of the vacuum line off the intake going to a module on the firewall the idle drops to normal my 1990 f150is idleing high and is trying to smoke a ...

...high idle emissions. Emission numbers were 10-20x max legal limit (over 3000). Replaced the catalytic converter and EGR valve and cleaned the idle air valve and took back to emissions. Truck passed ...

high idle i have replaced the map sensor, iac valve and the tps. could it be the icm? If you have the 5.0 liter engine or the 5.8 litre there was a problem with the upper intake manifold gasket being ...

...idle is high you can hear it vroommmm. When I bought the truck you couldn't get to 40mph with the pedal to the floor,The dist. cap was on backwards and the distributer was loose,I fixed the ...

...High Idle Problem http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html ------- While stop engine idles like cylinder missing? ...

...high idle replaced gaskets & still has high idle. lower intake manifold leaking? egr has been cleaned & checked good,replaced idle controll ,removed manifolds , cleaned all passages replaced ...