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Intermittent hesitating or stalling while driving

Tiny
83ESCORT
  • MEMBER
  • 1983 FORD ESCORT
  • 1.6L
  • 4 CYL
  • FWD
  • MANUAL
  • 220,000 MILES
I have a 1983 Ford Escort, 1.6L, EFI, 2 door hatchback GT. VIN # 1FABP0752DW203308 For years I've had a problem with intermittent hesitating (in gear) or stalling (with clutch in) while driving. The symptom will eventually go away, until the next time it occurs. Otherwise it runs well. Got 33 mpg on last trip. No mechanic has been able to solve the problem. We have replaced the idle control valve, distributor, cleaned air intake, and much more.

Could it be the EGR valve, oxygen sensor, heat sensor? Finding a solution may determine the future of this vehicle. Thank you.
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Thursday, June 12th, 2014 AT 6:20 AM

2 Replies

Tiny
TY ANDERSON
  • MECHANIC
  • 684 POSTS
Unfortunately, these issues can be difficult to diagnose especially if it can difficult to duplicate. The technician will need to list all possibilities that would cause it to stall and go through each component and test it during stalling it identify source of failure. Example of stalling would be say a wire to one of the sensors is contacting metal and has worn through the insulation on the wire and every time you turn left this wire contacts the metal shorting the data going to the computer stalling the engine.
The more specifics you can provide on when and how it stalls and also how to get it to stall consistently will help a reputable technician to find the problem. There are some shops dedicated to these drivablity issues.
Thanks for the question
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Thursday, June 12th, 2014 AT 10:40 AM
Tiny
83ESCORT
  • MEMBER
  • 2 POSTS
This would seem like an arduous and costly means of diagnosing the problem. During a normal diagnosis, however, the symptom will not occur. It is only while driving, and is intermittent. Sometimes it can be driven for a long while without a problem. Yet, sometimes it happens shortly after start up. I would be discouraged to think that this can never be resolved. I could be willing to just replace a part here and there on an experimental basis. EGR valve, oxygen sensor. Etc.

Any help or suggestions are greatly appreciated. Thank you for taking the time to respond.
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Thursday, June 12th, 2014 AT 7:12 PM

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