IN LIMP IN MODE, THE ENGINE RUNS: RICH OR LEAN; & IGNITION TIMING IS ?

  • Tiny
  • nemir89
  • 1987 Ford Escort
  • 999,999 miles

Hi I was wandering if somebody could please help me out understand how is the igniting timing affected when the vehicle is running in limp in mode
this is for studying purposes
i know limp in mode will run out of a pre-programed chip information and that it will run rich but how does that affect timing?

Wednesday, October 10th, 2012 AT 11:46 PM

2 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Stays in base timing instead of advancing according to power needs.

Roy

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Thursday, October 11th, 2012 AT 12:54 AM
  • Tiny
  • nemir89
  • Member

So it'll run rich and, no timing advance. Thanks
i have another quick question what is the map frequency (hz) at sea level and its voltage output value?

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Thursday, October 11th, 2012 AT 1:03 AM

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