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Runs bad an stalls after warm

Tiny
BBOYLE
  • MEMBER
  • 1998 SUBARU IMPREZA
  • 4 CYL
  • AWD
  • AUTOMATIC
Car starts ok an idles fine, drive a few miles to get warmed up an than it runs really bad to the point that it will stall at a stop, have no check eng light an I have checked with a tool that checks faults, changed Idle throttle sensor witch improved the idle, drove it few days the problem came back
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Wednesday, November 25th, 2015 AT 4:32 PM

2 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Have tried cleaning the throttle body with some throttle body cleaner to clean out all the gunk? Check the coolant temp sensor value with scan tool. Check coil packs.
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Wednesday, November 25th, 2015 AT 4:54 PM
Tiny
BBOYLE
  • MEMBER
  • 2 POSTS
Did not clean throttle body yet that's my next step, will check coolant sensor, wasn't over heating so never looked there, was thinking that 02 sensor might be an issue, thanks for reply will do as suggested
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Wednesday, November 25th, 2015 AT 6:52 PM

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