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Re: car judders and stalls when stopping
Sounds like a weak battery,
have the battery tested, if it gives out a low voltage or other faulty behaviour the computer will not run right, making the guages mess up and the engine run badly.
Replace it if it is "weak" when tested.
should solve your problem!
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I don't have the solution, but I have the same exact problem on my 1991 Escort 1.9L with auto with 120K miles. I replaced the IAC with no difference. In fact I unplugged it, and still had the random stalling. Also disconnected the EGR vacuum line...still stalled randomly. After it stalls it always starts right back up again. Sometimes it will act as if it's going to stall, but comes back to normal idle. Park or Drive makes no difference. Acceleration and all normal driving is fine. The next thing I was going to try is hooking up a timing light and watch to see if the timing light stops flashing as it's stalling, and/or hooking up a fuel pressure gauge somehow, to the fuel rail, to see if the pressure drops when stalling....to figure out if its ignition or fuel related.