my 1989 ford mustangf cuts off at every stop light

Asked by Oct 08, 2012 at 04:02 PM about the 1989 Ford Mustang LX

Question type: General

my 1989 ford mustang LX runs good around town but at a stop light it wants to cut off..

8 Answers

5

check for vacuum leaks

455

STAY AWAY FROM STOP LIGHTS, OR JUST DON'T STOP!!!! SORRY BUT I JUST COULDN'T HELP MYSELF!!!! I AGREE WITH SHAWN. ALWAYS LOOK FOR THE SIMPLEST, STUPIDEST THING FIRST.

2,815

idle circuit could be at fault

3,015

if it wont idle i would start by checking the TPS''throttle positioning sensor''the idle air sensor also might be bad also but usualy a bad idle air sensor will make engine rev all the time.

2,815

also check air filter, sometimes they never got changed and finally get to the point where the car wont run

2,815

get a code reader and see if any codes are being saved by the ecm..... is engine light on? could be any number of sensors, or a combination of a lot of little things

15

Check for vacuum leaks. it could be a dirty mass airflow sensor (MAF), or a dirty idle air control valve (IAC). You can remove both and clean them with some CRC spray cleaner.

Did you ever find out what it was?

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