How do I fix a problem of engine cutting out when I have air conditioning on and I slow down ?
Car drives ok without air conditioning but revs drop too much and cuts out when coming to a halt with it engaged ?
Cars & Trucks - Ford - Focus - 2001 Ford Focus
Answers & Comments
Idle air control valve problem , maybe ! Clogged passage . When you put extra load on the engine , such as turning on the A/C the PCM is suppose to raise the idle RPM . With a up scale scan tool you can see if the PCM is controlling the IAC valve . There are videos on you tube on cleaning The IAC , plus testing !
PCM is the engine computer ,just in case your not familiar with that .