To start my F-150 in cold weather, starting issues

Asked by Feb 04, 2015 at 05:33 PM about the 1998 Ford F-150

Question type: Maintenance & Repair

When it is cold, my F-150  will not start unless we press on the gas. And we must hold
the pedal until the temp. comes up and then you can feel the gas pedal move and the
idle is then working.   Also it will not idle high enough to try to drive it.  The truck will
stall unless it is warm enough.  Is there a sensor that, or a high idle switch that can be
at issue.   Bottom line I understand we should not have to step on the gas to start the
truck.  Right.  No check engine light goes on.  No way to put it on the computer.  I am
told unless check engine light is on.

2 Answers

23,370

Clean the throttle body with throttle body cleaner ONLY. Also check the idle air control valve. It may not be working properly. Probably needs cleaning also.

9,325

Yes, it's called TPS (throttle positioning sensor) Replace it, it's located right on your throttle body, easy to replace.

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