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Engine shutting off randomly when I slow down to a stop

Tiny
JEFF FITZGERALD
  • MEMBER
  • 1995 GEO PRIZM
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Changed battery, spark plugs and wires, fuel filter. Car always ran fine, then its started shutting off and idling weird lately when coming to a stop. Does not do it all the time. Son drives to school fifteen minutes each way every day no problem, have to make a longer trip then car messes up. Either I let the car rest or rev it up let the idle settle then it runs fine again.
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Monday, October 30th, 2017 AT 11:40 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
When battery is disconnected the memory of the ECM learned value is erased. It most probably is the idling system running erratically. Have the throttle cleaned and retest.
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Tuesday, October 31st, 2017 AT 2:25 AM
Tiny
JEFF FITZGERALD
  • MEMBER
  • 2 POSTS
Car was having issues before I changed battery and fuel filter. The car runs fine until it warms up about a half hour or so then car starts to sputter and shuts off. But it is random when it happens.
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Tuesday, October 31st, 2017 AT 2:56 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the Malfunction Indicator Light showing?
Have you ever had vehicle scanned for trouble codes?
I would still recommend getting the throttle body cleaned if it had not be done before.
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Wednesday, November 1st, 2017 AT 7:20 AM

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