Hey all I have been dealing with this for a couple of months now. When just idling I'm seeing 1300 deg egts with an a/f ratio of like 10.2-5. I'm guessing that its timing on my 95. Now It has always had some high(900-1000) egts but never in the 1300 deg range at idle...anyway I'm also experiencing the dreaded RMP hang...all the time. Are these two related? FYI I get NO knock at wot or anything...its just really annoying that the car is idling high when im at a stop light as well as its not decelerating correctly.
#99755, "RE: Ignition Timing Issues...high egt/low rpm..." In response to Reply # 0
Originally posted by RxR_Eclipse Hey all I have been dealing with this for a couple of months now. When just idling I'm seeing 1300 deg egts with an a/f ratio of like 10.2-5. I'm guessing that its timing on my 95. Now It has always had some high(900-1000) egts but never in the 1300 deg range at idle...anyway I'm also experiencing the dreaded RMP hang...all the time. Are these two related? FYI I get NO knock at wot or anything...its just really annoying that the car is idling high when im at a stop light as well as its not decelerating correctly.
Deff a timing issue. You better get that fixed ASAP!
#99799, "RE: Ignition Timing Issues...high egt/low rpm..." In response to Reply # 6
10.2 AFR at idle......no wonder you are runnign hot. The fuel is burning as it leaves the cylinder because your ungodly rich. Fix the mixture and your EGT will improve.
For reference I idle 800rpm at 800-1000 degrees F 14.9AFR
#99805, "RE: Ignition Timing Issues...high egt/low rpm..." In response to Reply # 7
Originally posted by Star Turbo Talon 10.2 AFR at idle......no wonder you are runnign hot. The fuel is burning as it leaves the cylinder because your ungodly rich. Fix the mixture and your EGT will improve. For reference I idle 800rpm at 800-1000 degrees F 14.9AFR Terry
Bingo. 10.2:1 at idle? That's fucking RICH. I idle ~13.5:1, and even that's richer than I'd like it.
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'95 Eclipse TurboGS (garage deco) '95 TSi AWD (restoring a survivor) '97 Talon ESi-T (poor impulse control) '99 Eclipse RS-T (daily beater) '13 Evo X (mostly stock) '17 Sienna (Middle Aged Dad Mobile)
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